Home / 40,923.01-61,385.28-12,842.43

Finding the Fourth Proportional to 40,923.01, 61,385.28 and 12,842.43

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Solution

The fourth proportional to 40,923.01, 61,385.28 and 12,842.43 is: 19,263.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,923.01 : 61,385.28 = 12,842.43 : x
  2. Step 2: Convert to fraction form
    40,923.01/61,385.28 = 12,842.43/x
  3. Step 3: Cross multiply
    40,923.01x = 61,385.28 × 12,842.43
  4. Step 4: Simplify right side
    40,923.01x = 788,336,161.43
  5. Step 5: Solve for x
    x = 788,336,161.43/40,923.01
  6. Step 6: Final answer
    x = 19,263.89

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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.