Home / 52,018.51-71,785.54-28,145.19

Finding the Fourth Proportional to 52,018.51, 71,785.54 and 28,145.19

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Solution

The fourth proportional to 52,018.51, 71,785.54 and 28,145.19 is: 38,840.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,018.51 : 71,785.54 = 28,145.19 : x
  2. Step 2: Convert to fraction form
    52,018.51/71,785.54 = 28,145.19/x
  3. Step 3: Cross multiply
    52,018.51x = 71,785.54 × 28,145.19
  4. Step 4: Simplify right side
    52,018.51x = 2,020,417,563.14
  5. Step 5: Solve for x
    x = 2,020,417,563.14/52,018.51
  6. Step 6: Final answer
    x = 38,840.36

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Half scale
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Double scale
Find fourth proportional to 52,019.51, 71,786.92 and 28,146.19
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.