Home / 30,584.20-42,207.88-17,159.72

Finding the Fourth Proportional to 30,584.20, 42,207.88 and 17,159.72

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Solution

The fourth proportional to 30,584.20, 42,207.88 and 17,159.72 is: 23,681.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,584.20 : 42,207.88 = 17,159.72 : x
  2. Step 2: Convert to fraction form
    30,584.20/42,207.88 = 17,159.72/x
  3. Step 3: Cross multiply
    30,584.20x = 42,207.88 × 17,159.72
  4. Step 4: Simplify right side
    30,584.20x = 724,275,402.59
  5. Step 5: Solve for x
    x = 724,275,402.59/30,584.20
  6. Step 6: Final answer
    x = 23,681.36

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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.