Home / 45,407.83-68,114.30-13,818.92

Finding the Fourth Proportional to 45,407.83, 68,114.30 and 13,818.92

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Solution

The fourth proportional to 45,407.83, 68,114.30 and 13,818.92 is: 20,729.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,407.83 : 68,114.30 = 13,818.92 : x
  2. Step 2: Convert to fraction form
    45,407.83/68,114.30 = 13,818.92/x
  3. Step 3: Cross multiply
    45,407.83x = 68,114.30 × 13,818.92
  4. Step 4: Simplify right side
    45,407.83x = 941,266,062.56
  5. Step 5: Solve for x
    x = 941,266,062.56/45,407.83
  6. Step 6: Final answer
    x = 20,729.16

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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.