Home / 30,599.44-42,223.80-17,167.90

Finding the Fourth Proportional to 30,599.44, 42,223.80 and 17,167.90

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Solution

The fourth proportional to 30,599.44, 42,223.80 and 17,167.90 is: 23,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,599.44 : 42,223.80 = 17,167.90 : x
  2. Step 2: Convert to fraction form
    30,599.44/42,223.80 = 17,167.90/x
  3. Step 3: Cross multiply
    30,599.44x = 42,223.80 × 17,167.90
  4. Step 4: Simplify right side
    30,599.44x = 724,893,976.02
  5. Step 5: Solve for x
    x = 724,893,976.02/30,599.44
  6. Step 6: Final answer
    x = 23,689.78

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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.