Home / 38,417.78-57,626.68-12,124.58

Finding the Fourth Proportional to 38,417.78, 57,626.68 and 12,124.58

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Solution

The fourth proportional to 38,417.78, 57,626.68 and 12,124.58 is: 18,186.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,417.78 : 57,626.68 = 12,124.58 : x
  2. Step 2: Convert to fraction form
    38,417.78/57,626.68 = 12,124.58/x
  3. Step 3: Cross multiply
    38,417.78x = 57,626.68 × 12,124.58
  4. Step 4: Simplify right side
    38,417.78x = 698,699,291.79
  5. Step 5: Solve for x
    x = 698,699,291.79/38,417.78
  6. Step 6: Final answer
    x = 18,186.87

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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.