Home / 45,247.18-62,400.19-28,252.98

Finding the Fourth Proportional to 45,247.18, 62,400.19 and 28,252.98

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Solution

The fourth proportional to 45,247.18, 62,400.19 and 28,252.98 is: 38,963.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,247.18 : 62,400.19 = 28,252.98 : x
  2. Step 2: Convert to fraction form
    45,247.18/62,400.19 = 28,252.98/x
  3. Step 3: Cross multiply
    45,247.18x = 62,400.19 × 28,252.98
  4. Step 4: Simplify right side
    45,247.18x = 1,762,991,320.07
  5. Step 5: Solve for x
    x = 1,762,991,320.07/45,247.18
  6. Step 6: Final answer
    x = 38,963.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.