Home / 47,377.88-71,043.02-15,776.78

Finding the Fourth Proportional to 47,377.88, 71,043.02 and 15,776.78

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Solution

The fourth proportional to 47,377.88, 71,043.02 and 15,776.78 is: 23,657.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,377.88 : 71,043.02 = 15,776.78 : x
  2. Step 2: Convert to fraction form
    47,377.88/71,043.02 = 15,776.78/x
  3. Step 3: Cross multiply
    47,377.88x = 71,043.02 × 15,776.78
  4. Step 4: Simplify right side
    47,377.88x = 1,120,830,097.08
  5. Step 5: Solve for x
    x = 1,120,830,097.08/47,377.88
  6. Step 6: Final answer
    x = 23,657.24

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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.