Home / 38,877.10-58,301.01-12,574.78

Finding the Fourth Proportional to 38,877.10, 58,301.01 and 12,574.78

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Solution

The fourth proportional to 38,877.10, 58,301.01 and 12,574.78 is: 18,857.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,877.10 : 58,301.01 = 12,574.78 : x
  2. Step 2: Convert to fraction form
    38,877.10/58,301.01 = 12,574.78/x
  3. Step 3: Cross multiply
    38,877.10x = 58,301.01 × 12,574.78
  4. Step 4: Simplify right side
    38,877.10x = 733,122,374.53
  5. Step 5: Solve for x
    x = 733,122,374.53/38,877.10
  6. Step 6: Final answer
    x = 18,857.43

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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.