Home / 63,478.60-87,560.67-40,847.02

Finding the Fourth Proportional to 63,478.60, 87,560.67 and 40,847.02

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Solution

The fourth proportional to 63,478.60, 87,560.67 and 40,847.02 is: 56,343.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,478.60 : 87,560.67 = 40,847.02 : x
  2. Step 2: Convert to fraction form
    63,478.60/87,560.67 = 40,847.02/x
  3. Step 3: Cross multiply
    63,478.60x = 87,560.67 × 40,847.02
  4. Step 4: Simplify right side
    63,478.60x = 3,576,592,438.70
  5. Step 5: Solve for x
    x = 3,576,592,438.70/63,478.60
  6. Step 6: Final answer
    x = 56,343.28

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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.