Home / 45,711.36-63,079.20-25,566.48

Finding the Fourth Proportional to 45,711.36, 63,079.20 and 25,566.48

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Solution

The fourth proportional to 45,711.36, 63,079.20 and 25,566.48 is: 35,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,711.36 : 63,079.20 = 25,566.48 : x
  2. Step 2: Convert to fraction form
    45,711.36/63,079.20 = 25,566.48/x
  3. Step 3: Cross multiply
    45,711.36x = 63,079.20 × 25,566.48
  4. Step 4: Simplify right side
    45,711.36x = 1,612,713,105.22
  5. Step 5: Solve for x
    x = 1,612,713,105.22/45,711.36
  6. Step 6: Final answer
    x = 35,280.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.