Home / 38,666.12-58,007.81-12,372.44

Finding the Fourth Proportional to 38,666.12, 58,007.81 and 12,372.44

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Solution

The fourth proportional to 38,666.12, 58,007.81 and 12,372.44 is: 18,561.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,666.12 : 58,007.81 = 12,372.44 : x
  2. Step 2: Convert to fraction form
    38,666.12/58,007.81 = 12,372.44/x
  3. Step 3: Cross multiply
    38,666.12x = 58,007.81 × 12,372.44
  4. Step 4: Simplify right side
    38,666.12x = 717,698,148.76
  5. Step 5: Solve for x
    x = 717,698,148.76/38,666.12
  6. Step 6: Final answer
    x = 18,561.42

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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.