Home / 31,488.95-43,454.32-17,876.87

Finding the Fourth Proportional to 31,488.95, 43,454.32 and 17,876.87

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Solution

The fourth proportional to 31,488.95, 43,454.32 and 17,876.87 is: 24,669.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,488.95 : 43,454.32 = 17,876.87 : x
  2. Step 2: Convert to fraction form
    31,488.95/43,454.32 = 17,876.87/x
  3. Step 3: Cross multiply
    31,488.95x = 43,454.32 × 17,876.87
  4. Step 4: Simplify right side
    31,488.95x = 776,827,213.14
  5. Step 5: Solve for x
    x = 776,827,213.14/31,488.95
  6. Step 6: Final answer
    x = 24,669.84

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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.