Home / 37,279.13-51,464.26-28,762.12

Finding the Fourth Proportional to 37,279.13, 51,464.26 and 28,762.12

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Solution

The fourth proportional to 37,279.13, 51,464.26 and 28,762.12 is: 39,706.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,279.13 : 51,464.26 = 28,762.12 : x
  2. Step 2: Convert to fraction form
    37,279.13/51,464.26 = 28,762.12/x
  3. Step 3: Cross multiply
    37,279.13x = 51,464.26 × 28,762.12
  4. Step 4: Simplify right side
    37,279.13x = 1,480,220,964.51
  5. Step 5: Solve for x
    x = 1,480,220,964.51/37,279.13
  6. Step 6: Final answer
    x = 39,706.42

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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.