Home / 51,790.25-71,472.68-29,130.30

Finding the Fourth Proportional to 51,790.25, 71,472.68 and 29,130.30

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Solution

The fourth proportional to 51,790.25, 71,472.68 and 29,130.30 is: 40,201.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,790.25 : 71,472.68 = 29,130.30 : x
  2. Step 2: Convert to fraction form
    51,790.25/71,472.68 = 29,130.30/x
  3. Step 3: Cross multiply
    51,790.25x = 71,472.68 × 29,130.30
  4. Step 4: Simplify right side
    51,790.25x = 2,082,020,573.79
  5. Step 5: Solve for x
    x = 2,082,020,573.79/51,790.25
  6. Step 6: Final answer
    x = 40,201.01

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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.