Home / 64,909.31-97,367.50-20,532.76

Finding the Fourth Proportional to 64,909.31, 97,367.50 and 20,532.76

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Solution

The fourth proportional to 64,909.31, 97,367.50 and 20,532.76 is: 30,800.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,909.31 : 97,367.50 = 20,532.76 : x
  2. Step 2: Convert to fraction form
    64,909.31/97,367.50 = 20,532.76/x
  3. Step 3: Cross multiply
    64,909.31x = 97,367.50 × 20,532.76
  4. Step 4: Simplify right side
    64,909.31x = 1,999,223,291.55
  5. Step 5: Solve for x
    x = 1,999,223,291.55/64,909.31
  6. Step 6: Final answer
    x = 30,800.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.