Home / 38,292.12-52,869.24-31,235.40

Finding the Fourth Proportional to 38,292.12, 52,869.24 and 31,235.40

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Solution

The fourth proportional to 38,292.12, 52,869.24 and 31,235.40 is: 43,126.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,292.12 : 52,869.24 = 31,235.40 : x
  2. Step 2: Convert to fraction form
    38,292.12/52,869.24 = 31,235.40/x
  3. Step 3: Cross multiply
    38,292.12x = 52,869.24 × 31,235.40
  4. Step 4: Simplify right side
    38,292.12x = 1,651,391,859.10
  5. Step 5: Solve for x
    x = 1,651,391,859.10/38,292.12
  6. Step 6: Final answer
    x = 43,126.15

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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.