Home / 38,752.38-58,126.50-12,455.10

Finding the Fourth Proportional to 38,752.38, 58,126.50 and 12,455.10

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Solution

The fourth proportional to 38,752.38, 58,126.50 and 12,455.10 is: 18,681.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,752.38 : 58,126.50 = 12,455.10 : x
  2. Step 2: Convert to fraction form
    38,752.38/58,126.50 = 12,455.10/x
  3. Step 3: Cross multiply
    38,752.38x = 58,126.50 × 12,455.10
  4. Step 4: Simplify right side
    38,752.38x = 723,971,370.15
  5. Step 5: Solve for x
    x = 723,971,370.15/38,752.38
  6. Step 6: Final answer
    x = 18,681.98

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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.