Home / 38,126.95-52,618.86-21,134.87

Finding the Fourth Proportional to 38,126.95, 52,618.86 and 21,134.87

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Solution

The fourth proportional to 38,126.95, 52,618.86 and 21,134.87 is: 29,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,126.95 : 52,618.86 = 21,134.87 : x
  2. Step 2: Convert to fraction form
    38,126.95/52,618.86 = 21,134.87/x
  3. Step 3: Cross multiply
    38,126.95x = 52,618.86 × 21,134.87
  4. Step 4: Simplify right side
    38,126.95x = 1,112,092,765.65
  5. Step 5: Solve for x
    x = 1,112,092,765.65/38,126.95
  6. Step 6: Final answer
    x = 29,168.15

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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.