Home / 30,543.04-42,151.98-17,114.14

Finding the Fourth Proportional to 30,543.04, 42,151.98 and 17,114.14

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Solution

The fourth proportional to 30,543.04, 42,151.98 and 17,114.14 is: 23,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,543.04 : 42,151.98 = 17,114.14 : x
  2. Step 2: Convert to fraction form
    30,543.04/42,151.98 = 17,114.14/x
  3. Step 3: Cross multiply
    30,543.04x = 42,151.98 × 17,114.14
  4. Step 4: Simplify right side
    30,543.04x = 721,394,887.00
  5. Step 5: Solve for x
    x = 721,394,887.00/30,543.04
  6. Step 6: Final answer
    x = 23,618.96

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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.