Home / 54,288.80-74,887.49-31,625.40

Finding the Fourth Proportional to 54,288.80, 74,887.49 and 31,625.40

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Solution

The fourth proportional to 54,288.80, 74,887.49 and 31,625.40 is: 43,624.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,288.80 : 74,887.49 = 31,625.40 : x
  2. Step 2: Convert to fraction form
    54,288.80/74,887.49 = 31,625.40/x
  3. Step 3: Cross multiply
    54,288.80x = 74,887.49 × 31,625.40
  4. Step 4: Simplify right side
    54,288.80x = 2,368,346,668.12
  5. Step 5: Solve for x
    x = 2,368,346,668.12/54,288.80
  6. Step 6: Final answer
    x = 43,624.96

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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.