Home / 54,687.59-82,038.21-21,403.35

Finding the Fourth Proportional to 54,687.59, 82,038.21 and 21,403.35

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Solution

The fourth proportional to 54,687.59, 82,038.21 and 21,403.35 is: 32,107.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,687.59 : 82,038.21 = 21,403.35 : x
  2. Step 2: Convert to fraction form
    54,687.59/82,038.21 = 21,403.35/x
  3. Step 3: Cross multiply
    54,687.59x = 82,038.21 × 21,403.35
  4. Step 4: Simplify right side
    54,687.59x = 1,755,892,522.00
  5. Step 5: Solve for x
    x = 1,755,892,522.00/54,687.59
  6. Step 6: Final answer
    x = 32,107.70

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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.