Home / 43,182.18-64,773.18-13,602.60

Finding the Fourth Proportional to 43,182.18, 64,773.18 and 13,602.60

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Solution

The fourth proportional to 43,182.18, 64,773.18 and 13,602.60 is: 20,403.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,182.18 : 64,773.18 = 13,602.60 : x
  2. Step 2: Convert to fraction form
    43,182.18/64,773.18 = 13,602.60/x
  3. Step 3: Cross multiply
    43,182.18x = 64,773.18 × 13,602.60
  4. Step 4: Simplify right side
    43,182.18x = 881,083,658.27
  5. Step 5: Solve for x
    x = 881,083,658.27/43,182.18
  6. Step 6: Final answer
    x = 20,403.87

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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.