Home / 72,423.07-108,644.96-27,432.30

Finding the Fourth Proportional to 72,423.07, 108,644.96 and 27,432.30

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Solution

The fourth proportional to 72,423.07, 108,644.96 and 27,432.30 is: 41,152.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,423.07 : 108,644.96 = 27,432.30 : x
  2. Step 2: Convert to fraction form
    72,423.07/108,644.96 = 27,432.30/x
  3. Step 3: Cross multiply
    72,423.07x = 108,644.96 × 27,432.30
  4. Step 4: Simplify right side
    72,423.07x = 2,980,381,136.21
  5. Step 5: Solve for x
    x = 2,980,381,136.21/72,423.07
  6. Step 6: Final answer
    x = 41,152.37

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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.