Home / 41,770.08-62,655.12-20,979

Finding the Fourth Proportional to 41,770.08, 62,655.12 and 20,979

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Solution

The fourth proportional to 41,770.08, 62,655.12 and 20,979 is: 31,468.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,770.08 : 62,655.12 = 20,979 : x
  2. Step 2: Convert to fraction form
    41,770.08/62,655.12 = 20,979/x
  3. Step 3: Cross multiply
    41,770.08x = 62,655.12 × 20,979
  4. Step 4: Simplify right side
    41,770.08x = 1,314,441,762.48
  5. Step 5: Solve for x
    x = 1,314,441,762.48/41,770.08
  6. Step 6: Final answer
    x = 31,468.50

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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.