Home / 42,190.68-63,236.34-17,215.14

Finding the Fourth Proportional to 42,190.68, 63,236.34 and 17,215.14

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Solution

The fourth proportional to 42,190.68, 63,236.34 and 17,215.14 is: 25,802.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,190.68 : 63,236.34 = 17,215.14 : x
  2. Step 2: Convert to fraction form
    42,190.68/63,236.34 = 17,215.14/x
  3. Step 3: Cross multiply
    42,190.68x = 63,236.34 × 17,215.14
  4. Step 4: Simplify right side
    42,190.68x = 1,088,622,446.19
  5. Step 5: Solve for x
    x = 1,088,622,446.19/42,190.68
  6. Step 6: Final answer
    x = 25,802.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.