Home / 40,158.16-55,420.47-22,252.77

Finding the Fourth Proportional to 40,158.16, 55,420.47 and 22,252.77

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Solution

The fourth proportional to 40,158.16, 55,420.47 and 22,252.77 is: 30,710.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,158.16 : 55,420.47 = 22,252.77 : x
  2. Step 2: Convert to fraction form
    40,158.16/55,420.47 = 22,252.77/x
  3. Step 3: Cross multiply
    40,158.16x = 55,420.47 × 22,252.77
  4. Step 4: Simplify right side
    40,158.16x = 1,233,258,972.20
  5. Step 5: Solve for x
    x = 1,233,258,972.20/40,158.16
  6. Step 6: Final answer
    x = 30,710.05

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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.