Home / 40,981.20-56,557.08-23,078.16

Finding the Fourth Proportional to 40,981.20, 56,557.08 and 23,078.16

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Solution

The fourth proportional to 40,981.20, 56,557.08 and 23,078.16 is: 31,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,981.20 : 56,557.08 = 23,078.16 : x
  2. Step 2: Convert to fraction form
    40,981.20/56,557.08 = 23,078.16/x
  3. Step 3: Cross multiply
    40,981.20x = 56,557.08 × 23,078.16
  4. Step 4: Simplify right side
    40,981.20x = 1,305,233,341.37
  5. Step 5: Solve for x
    x = 1,305,233,341.37/40,981.20
  6. Step 6: Final answer
    x = 31,849.56

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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.