Home / 45,138.40-62,271.12-27,234.16

Finding the Fourth Proportional to 45,138.40, 62,271.12 and 27,234.16

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Solution

The fourth proportional to 45,138.40, 62,271.12 and 27,234.16 is: 37,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,138.40 : 62,271.12 = 27,234.16 : x
  2. Step 2: Convert to fraction form
    45,138.40/62,271.12 = 27,234.16/x
  3. Step 3: Cross multiply
    45,138.40x = 62,271.12 × 27,234.16
  4. Step 4: Simplify right side
    45,138.40x = 1,695,901,645.46
  5. Step 5: Solve for x
    x = 1,695,901,645.46/45,138.40
  6. Step 6: Final answer
    x = 37,571.15

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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.