Home / 31,439.99-43,386.32-17,292.85

Finding the Fourth Proportional to 31,439.99, 43,386.32 and 17,292.85

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Solution

The fourth proportional to 31,439.99, 43,386.32 and 17,292.85 is: 23,863.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,439.99 : 43,386.32 = 17,292.85 : x
  2. Step 2: Convert to fraction form
    31,439.99/43,386.32 = 17,292.85/x
  3. Step 3: Cross multiply
    31,439.99x = 43,386.32 × 17,292.85
  4. Step 4: Simplify right side
    31,439.99x = 750,273,058.58
  5. Step 5: Solve for x
    x = 750,273,058.58/31,439.99
  6. Step 6: Final answer
    x = 23,863.65

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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.