Home / 31,292.83-43,093.10-29,291.72

Finding the Fourth Proportional to 31,292.83, 43,093.10 and 29,291.72

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Solution

The fourth proportional to 31,292.83, 43,093.10 and 29,291.72 is: 40,337.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,292.83 : 43,093.10 = 29,291.72 : x
  2. Step 2: Convert to fraction form
    31,292.83/43,093.10 = 29,291.72/x
  3. Step 3: Cross multiply
    31,292.83x = 43,093.10 × 29,291.72
  4. Step 4: Simplify right side
    31,292.83x = 1,262,270,872.67
  5. Step 5: Solve for x
    x = 1,262,270,872.67/31,292.83
  6. Step 6: Final answer
    x = 40,337.39

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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.