Home / 30,588.52-42,211.62-17,159.80

Finding the Fourth Proportional to 30,588.52, 42,211.62 and 17,159.80

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Solution

The fourth proportional to 30,588.52, 42,211.62 and 17,159.80 is: 23,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588.52 : 42,211.62 = 17,159.80 : x
  2. Step 2: Convert to fraction form
    30,588.52/42,211.62 = 17,159.80/x
  3. Step 3: Cross multiply
    30,588.52x = 42,211.62 × 17,159.80
  4. Step 4: Simplify right side
    30,588.52x = 724,342,956.88
  5. Step 5: Solve for x
    x = 724,342,956.88/30,588.52
  6. Step 6: Final answer
    x = 23,680.22

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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.