Home / 40,339.62-55,670.02-22,191.10

Finding the Fourth Proportional to 40,339.62, 55,670.02 and 22,191.10

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Solution

The fourth proportional to 40,339.62, 55,670.02 and 22,191.10 is: 30,624.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,339.62 : 55,670.02 = 22,191.10 : x
  2. Step 2: Convert to fraction form
    40,339.62/55,670.02 = 22,191.10/x
  3. Step 3: Cross multiply
    40,339.62x = 55,670.02 × 22,191.10
  4. Step 4: Simplify right side
    40,339.62x = 1,235,378,786.17
  5. Step 5: Solve for x
    x = 1,235,378,786.17/40,339.62
  6. Step 6: Final answer
    x = 30,624.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.