Home / 54,332.07-81,454.23-21,035.13

Finding the Fourth Proportional to 54,332.07, 81,454.23 and 21,035.13

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Solution

The fourth proportional to 54,332.07, 81,454.23 and 21,035.13 is: 31,535.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,332.07 : 81,454.23 = 21,035.13 : x
  2. Step 2: Convert to fraction form
    54,332.07/81,454.23 = 21,035.13/x
  3. Step 3: Cross multiply
    54,332.07x = 81,454.23 × 21,035.13
  4. Step 4: Simplify right side
    54,332.07x = 1,713,400,317.10
  5. Step 5: Solve for x
    x = 1,713,400,317.10/54,332.07
  6. Step 6: Final answer
    x = 31,535.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.