Home / 40,306.23-55,618.13-23,307.89

Finding the Fourth Proportional to 40,306.23, 55,618.13 and 23,307.89

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Solution

The fourth proportional to 40,306.23, 55,618.13 and 23,307.89 is: 32,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,306.23 : 55,618.13 = 23,307.89 : x
  2. Step 2: Convert to fraction form
    40,306.23/55,618.13 = 23,307.89/x
  3. Step 3: Cross multiply
    40,306.23x = 55,618.13 × 23,307.89
  4. Step 4: Simplify right side
    40,306.23x = 1,296,340,861.42
  5. Step 5: Solve for x
    x = 1,296,340,861.42/40,306.23
  6. Step 6: Final answer
    x = 32,162.30

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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.