Home / 51,681.80-71,321.63-29,025.69

Finding the Fourth Proportional to 51,681.80, 71,321.63 and 29,025.69

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Solution

The fourth proportional to 51,681.80, 71,321.63 and 29,025.69 is: 40,055.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,681.80 : 71,321.63 = 29,025.69 : x
  2. Step 2: Convert to fraction form
    51,681.80/71,321.63 = 29,025.69/x
  3. Step 3: Cross multiply
    51,681.80x = 71,321.63 × 29,025.69
  4. Step 4: Simplify right side
    51,681.80x = 2,070,159,377.55
  5. Step 5: Solve for x
    x = 2,070,159,377.55/51,681.80
  6. Step 6: Final answer
    x = 40,055.87

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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.