Home / 38,014.72-52,460.48-21,020.16

Finding the Fourth Proportional to 38,014.72, 52,460.48 and 21,020.16

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Solution

The fourth proportional to 38,014.72, 52,460.48 and 21,020.16 is: 29,007.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,014.72 : 52,460.48 = 21,020.16 : x
  2. Step 2: Convert to fraction form
    38,014.72/52,460.48 = 21,020.16/x
  3. Step 3: Cross multiply
    38,014.72x = 52,460.48 × 21,020.16
  4. Step 4: Simplify right side
    38,014.72x = 1,102,727,683.28
  5. Step 5: Solve for x
    x = 1,102,727,683.28/38,014.72
  6. Step 6: Final answer
    x = 29,007.91

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Half scale
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Double scale
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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.