Home / 38,966.78-58,476.06-14,342.78

Finding the Fourth Proportional to 38,966.78, 58,476.06 and 14,342.78

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Solution

The fourth proportional to 38,966.78, 58,476.06 and 14,342.78 is: 21,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,966.78 : 58,476.06 = 14,342.78 : x
  2. Step 2: Convert to fraction form
    38,966.78/58,476.06 = 14,342.78/x
  3. Step 3: Cross multiply
    38,966.78x = 58,476.06 × 14,342.78
  4. Step 4: Simplify right side
    38,966.78x = 838,709,263.85
  5. Step 5: Solve for x
    x = 838,709,263.85/38,966.78
  6. Step 6: Final answer
    x = 21,523.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.