Home / 62,853.20-86,737.40-34,560.72

Finding the Fourth Proportional to 62,853.20, 86,737.40 and 34,560.72

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Solution

The fourth proportional to 62,853.20, 86,737.40 and 34,560.72 is: 47,693.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,853.20 : 86,737.40 = 34,560.72 : x
  2. Step 2: Convert to fraction form
    62,853.20/86,737.40 = 34,560.72/x
  3. Step 3: Cross multiply
    62,853.20x = 86,737.40 × 34,560.72
  4. Step 4: Simplify right side
    62,853.20x = 2,997,706,994.93
  5. Step 5: Solve for x
    x = 2,997,706,994.93/62,853.20
  6. Step 6: Final answer
    x = 47,693.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.