Home / 30,437.57-42,001.34-17,691.01

Finding the Fourth Proportional to 30,437.57, 42,001.34 and 17,691.01

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Solution

The fourth proportional to 30,437.57, 42,001.34 and 17,691.01 is: 24,412.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,437.57 : 42,001.34 = 17,691.01 : x
  2. Step 2: Convert to fraction form
    30,437.57/42,001.34 = 17,691.01/x
  3. Step 3: Cross multiply
    30,437.57x = 42,001.34 × 17,691.01
  4. Step 4: Simplify right side
    30,437.57x = 743,045,932.50
  5. Step 5: Solve for x
    x = 743,045,932.50/30,437.57
  6. Step 6: Final answer
    x = 24,412.13

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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.