Home / 40,401.52-60,602.28-12,699.52

Finding the Fourth Proportional to 40,401.52, 60,602.28 and 12,699.52

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Solution

The fourth proportional to 40,401.52, 60,602.28 and 12,699.52 is: 19,049.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,401.52 : 60,602.28 = 12,699.52 : x
  2. Step 2: Convert to fraction form
    40,401.52/60,602.28 = 12,699.52/x
  3. Step 3: Cross multiply
    40,401.52x = 60,602.28 × 12,699.52
  4. Step 4: Simplify right side
    40,401.52x = 769,619,866.91
  5. Step 5: Solve for x
    x = 769,619,866.91/40,401.52
  6. Step 6: Final answer
    x = 19,049.28

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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.