Home / 40,742.78-61,104.74-15,774.52

Finding the Fourth Proportional to 40,742.78, 61,104.74 and 15,774.52

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Solution

The fourth proportional to 40,742.78, 61,104.74 and 15,774.52 is: 23,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,742.78 : 61,104.74 = 15,774.52 : x
  2. Step 2: Convert to fraction form
    40,742.78/61,104.74 = 15,774.52/x
  3. Step 3: Cross multiply
    40,742.78x = 61,104.74 × 15,774.52
  4. Step 4: Simplify right side
    40,742.78x = 963,897,943.22
  5. Step 5: Solve for x
    x = 963,897,943.22/40,742.78
  6. Step 6: Final answer
    x = 23,658.13

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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.