Home / 51,548.30-71,170.77-39,590.18

Finding the Fourth Proportional to 51,548.30, 71,170.77 and 39,590.18

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Solution

The fourth proportional to 51,548.30, 71,170.77 and 39,590.18 is: 54,660.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,548.30 : 71,170.77 = 39,590.18 : x
  2. Step 2: Convert to fraction form
    51,548.30/71,170.77 = 39,590.18/x
  3. Step 3: Cross multiply
    51,548.30x = 71,170.77 × 39,590.18
  4. Step 4: Simplify right side
    51,548.30x = 2,817,663,595.04
  5. Step 5: Solve for x
    x = 2,817,663,595.04/51,548.30
  6. Step 6: Final answer
    x = 54,660.65

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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.