Home / 41,121.16-61,686.08-13,045.20

Finding the Fourth Proportional to 41,121.16, 61,686.08 and 13,045.20

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Solution

The fourth proportional to 41,121.16, 61,686.08 and 13,045.20 is: 19,569.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,121.16 : 61,686.08 = 13,045.20 : x
  2. Step 2: Convert to fraction form
    41,121.16/61,686.08 = 13,045.20/x
  3. Step 3: Cross multiply
    41,121.16x = 61,686.08 × 13,045.20
  4. Step 4: Simplify right side
    41,121.16x = 804,707,250.82
  5. Step 5: Solve for x
    x = 804,707,250.82/41,121.16
  6. Step 6: Final answer
    x = 19,569.18

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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.