Home / 40,294.08-60,422.40-13,991.04

Finding the Fourth Proportional to 40,294.08, 60,422.40 and 13,991.04

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Solution

The fourth proportional to 40,294.08, 60,422.40 and 13,991.04 is: 20,980.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,294.08 : 60,422.40 = 13,991.04 : x
  2. Step 2: Convert to fraction form
    40,294.08/60,422.40 = 13,991.04/x
  3. Step 3: Cross multiply
    40,294.08x = 60,422.40 × 13,991.04
  4. Step 4: Simplify right side
    40,294.08x = 845,372,215.30
  5. Step 5: Solve for x
    x = 845,372,215.30/40,294.08
  6. Step 6: Final answer
    x = 20,980.06

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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.