Home / 56,721.79-85,062.85-16,730.17

Finding the Fourth Proportional to 56,721.79, 85,062.85 and 16,730.17

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Solution

The fourth proportional to 56,721.79, 85,062.85 and 16,730.17 is: 25,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,721.79 : 85,062.85 = 16,730.17 : x
  2. Step 2: Convert to fraction form
    56,721.79/85,062.85 = 16,730.17/x
  3. Step 3: Cross multiply
    56,721.79x = 85,062.85 × 16,730.17
  4. Step 4: Simplify right side
    56,721.79x = 1,423,115,686.70
  5. Step 5: Solve for x
    x = 1,423,115,686.70/56,721.79
  6. Step 6: Final answer
    x = 25,089.40

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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.