Home / 38,158.95-52,664.76-21,166.98

Finding the Fourth Proportional to 38,158.95, 52,664.76 and 21,166.98

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Solution

The fourth proportional to 38,158.95, 52,664.76 and 21,166.98 is: 29,213.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,158.95 : 52,664.76 = 21,166.98 : x
  2. Step 2: Convert to fraction form
    38,158.95/52,664.76 = 21,166.98/x
  3. Step 3: Cross multiply
    38,158.95x = 52,664.76 × 21,166.98
  4. Step 4: Simplify right side
    38,158.95x = 1,114,753,921.62
  5. Step 5: Solve for x
    x = 1,114,753,921.62/38,158.95
  6. Step 6: Final answer
    x = 29,213.43

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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.