Home / 54,288.87-74,926.56-30,417.17

Finding the Fourth Proportional to 54,288.87, 74,926.56 and 30,417.17

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Solution

The fourth proportional to 54,288.87, 74,926.56 and 30,417.17 is: 41,980.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,288.87 : 74,926.56 = 30,417.17 : x
  2. Step 2: Convert to fraction form
    54,288.87/74,926.56 = 30,417.17/x
  3. Step 3: Cross multiply
    54,288.87x = 74,926.56 × 30,417.17
  4. Step 4: Simplify right side
    54,288.87x = 2,279,053,538.40
  5. Step 5: Solve for x
    x = 2,279,053,538.40/54,288.87
  6. Step 6: Final answer
    x = 41,980.12

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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.