Home / 62,842.23-86,755.86-38,989.35

Finding the Fourth Proportional to 62,842.23, 86,755.86 and 38,989.35

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Solution

The fourth proportional to 62,842.23, 86,755.86 and 38,989.35 is: 53,826.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,842.23 : 86,755.86 = 38,989.35 : x
  2. Step 2: Convert to fraction form
    62,842.23/86,755.86 = 38,989.35/x
  3. Step 3: Cross multiply
    62,842.23x = 86,755.86 × 38,989.35
  4. Step 4: Simplify right side
    62,842.23x = 3,382,554,590.09
  5. Step 5: Solve for x
    x = 3,382,554,590.09/62,842.23
  6. Step 6: Final answer
    x = 53,826.14

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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.