Home / 41,220.46-61,808.64-13,132.90

Finding the Fourth Proportional to 41,220.46, 61,808.64 and 13,132.90

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Solution

The fourth proportional to 41,220.46, 61,808.64 and 13,132.90 is: 19,692.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,220.46 : 61,808.64 = 13,132.90 : x
  2. Step 2: Convert to fraction form
    41,220.46/61,808.64 = 13,132.90/x
  3. Step 3: Cross multiply
    41,220.46x = 61,808.64 × 13,132.90
  4. Step 4: Simplify right side
    41,220.46x = 811,726,688.26
  5. Step 5: Solve for x
    x = 811,726,688.26/41,220.46
  6. Step 6: Final answer
    x = 19,692.32

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1.5x scale

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.