Home / 47,752.40-71,628.60-14,470.80

Finding the Fourth Proportional to 47,752.40, 71,628.60 and 14,470.80

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Solution

The fourth proportional to 47,752.40, 71,628.60 and 14,470.80 is: 21,706.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,752.40 : 71,628.60 = 14,470.80 : x
  2. Step 2: Convert to fraction form
    47,752.40/71,628.60 = 14,470.80/x
  3. Step 3: Cross multiply
    47,752.40x = 71,628.60 × 14,470.80
  4. Step 4: Simplify right side
    47,752.40x = 1,036,523,144.88
  5. Step 5: Solve for x
    x = 1,036,523,144.88/47,752.40
  6. Step 6: Final answer
    x = 21,706.20

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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.