Home / 38,343.61-57,451.63-13,369.89

Finding the Fourth Proportional to 38,343.61, 57,451.63 and 13,369.89

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Solution

The fourth proportional to 38,343.61, 57,451.63 and 13,369.89 is: 20,032.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,343.61 : 57,451.63 = 13,369.89 : x
  2. Step 2: Convert to fraction form
    38,343.61/57,451.63 = 13,369.89/x
  3. Step 3: Cross multiply
    38,343.61x = 57,451.63 × 13,369.89
  4. Step 4: Simplify right side
    38,343.61x = 768,121,973.42
  5. Step 5: Solve for x
    x = 768,121,973.42/38,343.61
  6. Step 6: Final answer
    x = 20,032.59

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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.