Home / 40,279.05-55,586.76-22,374.18

Finding the Fourth Proportional to 40,279.05, 55,586.76 and 22,374.18

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Solution

The fourth proportional to 40,279.05, 55,586.76 and 22,374.18 is: 30,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,279.05 : 55,586.76 = 22,374.18 : x
  2. Step 2: Convert to fraction form
    40,279.05/55,586.76 = 22,374.18/x
  3. Step 3: Cross multiply
    40,279.05x = 55,586.76 × 22,374.18
  4. Step 4: Simplify right side
    40,279.05x = 1,243,708,173.86
  5. Step 5: Solve for x
    x = 1,243,708,173.86/40,279.05
  6. Step 6: Final answer
    x = 30,877.30

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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.