Home / 39,311.90-58,967.12-9,729.74

Finding the Fourth Proportional to 39,311.90, 58,967.12 and 9,729.74

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Solution

The fourth proportional to 39,311.90, 58,967.12 and 9,729.74 is: 14,594.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,311.90 : 58,967.12 = 9,729.74 : x
  2. Step 2: Convert to fraction form
    39,311.90/58,967.12 = 9,729.74/x
  3. Step 3: Cross multiply
    39,311.90x = 58,967.12 × 9,729.74
  4. Step 4: Simplify right side
    39,311.90x = 573,734,402.66
  5. Step 5: Solve for x
    x = 573,734,402.66/39,311.90
  6. Step 6: Final answer
    x = 14,594.42

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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.