Home / 34,534.49-47,658.15-21,102.95

Finding the Fourth Proportional to 34,534.49, 47,658.15 and 21,102.95

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Solution

The fourth proportional to 34,534.49, 47,658.15 and 21,102.95 is: 29,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,534.49 : 47,658.15 = 21,102.95 : x
  2. Step 2: Convert to fraction form
    34,534.49/47,658.15 = 21,102.95/x
  3. Step 3: Cross multiply
    34,534.49x = 47,658.15 × 21,102.95
  4. Step 4: Simplify right side
    34,534.49x = 1,005,727,675.69
  5. Step 5: Solve for x
    x = 1,005,727,675.69/34,534.49
  6. Step 6: Final answer
    x = 29,122.42

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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.