Home / 63,285.50-87,331.38-36,428.96

Finding the Fourth Proportional to 63,285.50, 87,331.38 and 36,428.96

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Solution

The fourth proportional to 63,285.50, 87,331.38 and 36,428.96 is: 50,270.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,285.50 : 87,331.38 = 36,428.96 : x
  2. Step 2: Convert to fraction form
    63,285.50/87,331.38 = 36,428.96/x
  3. Step 3: Cross multiply
    63,285.50x = 87,331.38 × 36,428.96
  4. Step 4: Simplify right side
    63,285.50x = 3,181,391,430.48
  5. Step 5: Solve for x
    x = 3,181,391,430.48/63,285.50
  6. Step 6: Final answer
    x = 50,270.46

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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.