Home / 52,420.41-72,337.86-28,545.66

Finding the Fourth Proportional to 52,420.41, 72,337.86 and 28,545.66

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Solution

The fourth proportional to 52,420.41, 72,337.86 and 28,545.66 is: 39,391.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,420.41 : 72,337.86 = 28,545.66 : x
  2. Step 2: Convert to fraction form
    52,420.41/72,337.86 = 28,545.66/x
  3. Step 3: Cross multiply
    52,420.41x = 72,337.86 × 28,545.66
  4. Step 4: Simplify right side
    52,420.41x = 2,064,931,956.69
  5. Step 5: Solve for x
    x = 2,064,931,956.69/52,420.41
  6. Step 6: Final answer
    x = 39,391.76

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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.