Home / 40,136.23-55,425.23-30,047.16

Finding the Fourth Proportional to 40,136.23, 55,425.23 and 30,047.16

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Solution

The fourth proportional to 40,136.23, 55,425.23 and 30,047.16 is: 41,492.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,136.23 : 55,425.23 = 30,047.16 : x
  2. Step 2: Convert to fraction form
    40,136.23/55,425.23 = 30,047.16/x
  3. Step 3: Cross multiply
    40,136.23x = 55,425.23 × 30,047.16
  4. Step 4: Simplify right side
    40,136.23x = 1,665,370,753.85
  5. Step 5: Solve for x
    x = 1,665,370,753.85/40,136.23
  6. Step 6: Final answer
    x = 41,492.95

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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.