Home / 40,277.78-60,411.92-10,697.90

Finding the Fourth Proportional to 40,277.78, 60,411.92 and 10,697.90

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Solution

The fourth proportional to 40,277.78, 60,411.92 and 10,697.90 is: 16,045.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,277.78 : 60,411.92 = 10,697.90 : x
  2. Step 2: Convert to fraction form
    40,277.78/60,411.92 = 10,697.90/x
  3. Step 3: Cross multiply
    40,277.78x = 60,411.92 × 10,697.90
  4. Step 4: Simplify right side
    40,277.78x = 646,280,323.42
  5. Step 5: Solve for x
    x = 646,280,323.42/40,277.78
  6. Step 6: Final answer
    x = 16,045.58

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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.