Home / 51,590.04-71,202.22-28,938.20

Finding the Fourth Proportional to 51,590.04, 71,202.22 and 28,938.20

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Solution

The fourth proportional to 51,590.04, 71,202.22 and 28,938.20 is: 39,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,590.04 : 71,202.22 = 28,938.20 : x
  2. Step 2: Convert to fraction form
    51,590.04/71,202.22 = 28,938.20/x
  3. Step 3: Cross multiply
    51,590.04x = 71,202.22 × 28,938.20
  4. Step 4: Simplify right side
    51,590.04x = 2,060,464,082.80
  5. Step 5: Solve for x
    x = 2,060,464,082.80/51,590.04
  6. Step 6: Final answer
    x = 39,939.18

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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.