Home / 39,042.88-58,565.45-12,388.99

Finding the Fourth Proportional to 39,042.88, 58,565.45 and 12,388.99

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Solution

The fourth proportional to 39,042.88, 58,565.45 and 12,388.99 is: 18,583.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,042.88 : 58,565.45 = 12,388.99 : x
  2. Step 2: Convert to fraction form
    39,042.88/58,565.45 = 12,388.99/x
  3. Step 3: Cross multiply
    39,042.88x = 58,565.45 × 12,388.99
  4. Step 4: Simplify right side
    39,042.88x = 725,566,774.40
  5. Step 5: Solve for x
    x = 725,566,774.40/39,042.88
  6. Step 6: Final answer
    x = 18,583.84

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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.