Home / 42,545.79-63,818.67-11,380.23

Finding the Fourth Proportional to 42,545.79, 63,818.67 and 11,380.23

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Solution

The fourth proportional to 42,545.79, 63,818.67 and 11,380.23 is: 17,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,545.79 : 63,818.67 = 11,380.23 : x
  2. Step 2: Convert to fraction form
    42,545.79/63,818.67 = 11,380.23/x
  3. Step 3: Cross multiply
    42,545.79x = 63,818.67 × 11,380.23
  4. Step 4: Simplify right side
    42,545.79x = 726,271,142.89
  5. Step 5: Solve for x
    x = 726,271,142.89/42,545.79
  6. Step 6: Final answer
    x = 17,070.34

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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.