Home / 45,505.68-68,256.14-17,439.18

Finding the Fourth Proportional to 45,505.68, 68,256.14 and 17,439.18

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Solution

The fourth proportional to 45,505.68, 68,256.14 and 17,439.18 is: 26,157.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,505.68 : 68,256.14 = 17,439.18 : x
  2. Step 2: Convert to fraction form
    45,505.68/68,256.14 = 17,439.18/x
  3. Step 3: Cross multiply
    45,505.68x = 68,256.14 × 17,439.18
  4. Step 4: Simplify right side
    45,505.68x = 1,190,331,111.57
  5. Step 5: Solve for x
    x = 1,190,331,111.57/45,505.68
  6. Step 6: Final answer
    x = 26,157.86

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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.