Home / 47,446.24-71,169.36-12,385.60

Finding the Fourth Proportional to 47,446.24, 71,169.36 and 12,385.60

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Solution

The fourth proportional to 47,446.24, 71,169.36 and 12,385.60 is: 18,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,446.24 : 71,169.36 = 12,385.60 : x
  2. Step 2: Convert to fraction form
    47,446.24/71,169.36 = 12,385.60/x
  3. Step 3: Cross multiply
    47,446.24x = 71,169.36 × 12,385.60
  4. Step 4: Simplify right side
    47,446.24x = 881,475,225.22
  5. Step 5: Solve for x
    x = 881,475,225.22/47,446.24
  6. Step 6: Final answer
    x = 18,578.40

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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.