Home / 34,290.15-47,318.76-21,549.93

Finding the Fourth Proportional to 34,290.15, 47,318.76 and 21,549.93

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Solution

The fourth proportional to 34,290.15, 47,318.76 and 21,549.93 is: 29,737.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,290.15 : 47,318.76 = 21,549.93 : x
  2. Step 2: Convert to fraction form
    34,290.15/47,318.76 = 21,549.93/x
  3. Step 3: Cross multiply
    34,290.15x = 47,318.76 × 21,549.93
  4. Step 4: Simplify right side
    34,290.15x = 1,019,715,965.69
  5. Step 5: Solve for x
    x = 1,019,715,965.69/34,290.15
  6. Step 6: Final answer
    x = 29,737.87

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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.