Home / 40,280.32-60,332.88-19,460

Finding the Fourth Proportional to 40,280.32, 60,332.88 and 19,460

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Solution

The fourth proportional to 40,280.32, 60,332.88 and 19,460 is: 29,147.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,280.32 : 60,332.88 = 19,460 : x
  2. Step 2: Convert to fraction form
    40,280.32/60,332.88 = 19,460/x
  3. Step 3: Cross multiply
    40,280.32x = 60,332.88 × 19,460
  4. Step 4: Simplify right side
    40,280.32x = 1,174,077,844.80
  5. Step 5: Solve for x
    x = 1,174,077,844.80/40,280.32
  6. Step 6: Final answer
    x = 29,147.68

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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.