Home / 47,490.05-65,193.08-40,764.00

Finding the Fourth Proportional to 47,490.05, 65,193.08 and 40,764.00

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Solution

The fourth proportional to 47,490.05, 65,193.08 and 40,764.00 is: 55,959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,490.05 : 65,193.08 = 40,764.00 : x
  2. Step 2: Convert to fraction form
    47,490.05/65,193.08 = 40,764.00/x
  3. Step 3: Cross multiply
    47,490.05x = 65,193.08 × 40,764.00
  4. Step 4: Simplify right side
    47,490.05x = 2,657,530,387.15
  5. Step 5: Solve for x
    x = 2,657,530,387.15/47,490.05
  6. Step 6: Final answer
    x = 55,959.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.