Home / 40,194.08-55,471.20-23,428.16

Finding the Fourth Proportional to 40,194.08, 55,471.20 and 23,428.16

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Solution

The fourth proportional to 40,194.08, 55,471.20 and 23,428.16 is: 32,332.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,194.08 : 55,471.20 = 23,428.16 : x
  2. Step 2: Convert to fraction form
    40,194.08/55,471.20 = 23,428.16/x
  3. Step 3: Cross multiply
    40,194.08x = 55,471.20 × 23,428.16
  4. Step 4: Simplify right side
    40,194.08x = 1,299,588,148.99
  5. Step 5: Solve for x
    x = 1,299,588,148.99/40,194.08
  6. Step 6: Final answer
    x = 32,332.82

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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.