Home / 31,438.84-43,385.70-17,292.58

Finding the Fourth Proportional to 31,438.84, 43,385.70 and 17,292.58

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Solution

The fourth proportional to 31,438.84, 43,385.70 and 17,292.58 is: 23,863.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,438.84 : 43,385.70 = 17,292.58 : x
  2. Step 2: Convert to fraction form
    31,438.84/43,385.70 = 17,292.58/x
  3. Step 3: Cross multiply
    31,438.84x = 43,385.70 × 17,292.58
  4. Step 4: Simplify right side
    31,438.84x = 750,250,688.11
  5. Step 5: Solve for x
    x = 750,250,688.11/31,438.84
  6. Step 6: Final answer
    x = 23,863.82

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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.