Home / 58,980.38-81,298.08-39,854.18

Finding the Fourth Proportional to 58,980.38, 81,298.08 and 39,854.18

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Solution

The fourth proportional to 58,980.38, 81,298.08 and 39,854.18 is: 54,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,980.38 : 81,298.08 = 39,854.18 : x
  2. Step 2: Convert to fraction form
    58,980.38/81,298.08 = 39,854.18/x
  3. Step 3: Cross multiply
    58,980.38x = 81,298.08 × 39,854.18
  4. Step 4: Simplify right side
    58,980.38x = 3,240,068,313.97
  5. Step 5: Solve for x
    x = 3,240,068,313.97/58,980.38
  6. Step 6: Final answer
    x = 54,934.68

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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.