Home / 30,543.59-42,150.14-17,114.96

Finding the Fourth Proportional to 30,543.59, 42,150.14 and 17,114.96

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Solution

The fourth proportional to 30,543.59, 42,150.14 and 17,114.96 is: 23,618.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,543.59 : 42,150.14 = 17,114.96 : x
  2. Step 2: Convert to fraction form
    30,543.59/42,150.14 = 17,114.96/x
  3. Step 3: Cross multiply
    30,543.59x = 42,150.14 × 17,114.96
  4. Step 4: Simplify right side
    30,543.59x = 721,397,663.77
  5. Step 5: Solve for x
    x = 721,397,663.77/30,543.59
  6. Step 6: Final answer
    x = 23,618.63

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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.