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Finding the Fourth Proportional to 63,625.77, 87,803.72 and 35,331.46

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Solution

The fourth proportional to 63,625.77, 87,803.72 and 35,331.46 is: 48,757.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,625.77 : 87,803.72 = 35,331.46 : x
  2. Step 2: Convert to fraction form
    63,625.77/87,803.72 = 35,331.46/x
  3. Step 3: Cross multiply
    63,625.77x = 87,803.72 × 35,331.46
  4. Step 4: Simplify right side
    63,625.77x = 3,102,233,182.01
  5. Step 5: Solve for x
    x = 3,102,233,182.01/63,625.77
  6. Step 6: Final answer
    x = 48,757.50

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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.