Home / 47,847.92-72,000.09-39,475.35

Finding the Fourth Proportional to 47,847.92, 72,000.09 and 39,475.35

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Solution

The fourth proportional to 47,847.92, 72,000.09 and 39,475.35 is: 59,401.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,847.92 : 72,000.09 = 39,475.35 : x
  2. Step 2: Convert to fraction form
    47,847.92/72,000.09 = 39,475.35/x
  3. Step 3: Cross multiply
    47,847.92x = 72,000.09 × 39,475.35
  4. Step 4: Simplify right side
    47,847.92x = 2,842,228,752.78
  5. Step 5: Solve for x
    x = 2,842,228,752.78/47,847.92
  6. Step 6: Final answer
    x = 59,401.31

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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.