Home / 54,686.59-82,036.71-21,402.35

Finding the Fourth Proportional to 54,686.59, 82,036.71 and 21,402.35

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Solution

The fourth proportional to 54,686.59, 82,036.71 and 21,402.35 is: 32,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,686.59 : 82,036.71 = 21,402.35 : x
  2. Step 2: Convert to fraction form
    54,686.59/82,036.71 = 21,402.35/x
  3. Step 3: Cross multiply
    54,686.59x = 82,036.71 × 21,402.35
  4. Step 4: Simplify right side
    54,686.59x = 1,755,778,380.27
  5. Step 5: Solve for x
    x = 1,755,778,380.27/54,686.59
  6. Step 6: Final answer
    x = 32,106.20

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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.