Home / 40,136.16-55,396.80-23,378.88

Finding the Fourth Proportional to 40,136.16, 55,396.80 and 23,378.88

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Solution

The fourth proportional to 40,136.16, 55,396.80 and 23,378.88 is: 32,268.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,136.16 : 55,396.80 = 23,378.88 : x
  2. Step 2: Convert to fraction form
    40,136.16/55,396.80 = 23,378.88/x
  3. Step 3: Cross multiply
    40,136.16x = 55,396.80 × 23,378.88
  4. Step 4: Simplify right side
    40,136.16x = 1,295,115,139.58
  5. Step 5: Solve for x
    x = 1,295,115,139.58/40,136.16
  6. Step 6: Final answer
    x = 32,268.04

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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.