Home / 34,247.12-47,261.80-20,110.16

Finding the Fourth Proportional to 34,247.12, 47,261.80 and 20,110.16

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Solution

The fourth proportional to 34,247.12, 47,261.80 and 20,110.16 is: 27,752.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,247.12 : 47,261.80 = 20,110.16 : x
  2. Step 2: Convert to fraction form
    34,247.12/47,261.80 = 20,110.16/x
  3. Step 3: Cross multiply
    34,247.12x = 47,261.80 × 20,110.16
  4. Step 4: Simplify right side
    34,247.12x = 950,442,359.89
  5. Step 5: Solve for x
    x = 950,442,359.89/34,247.12
  6. Step 6: Final answer
    x = 27,752.48

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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.