Home / 40,165.93-55,426.98-22,260.78

Finding the Fourth Proportional to 40,165.93, 55,426.98 and 22,260.78

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Solution

The fourth proportional to 40,165.93, 55,426.98 and 22,260.78 is: 30,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,165.93 : 55,426.98 = 22,260.78 : x
  2. Step 2: Convert to fraction form
    40,165.93/55,426.98 = 22,260.78/x
  3. Step 3: Cross multiply
    40,165.93x = 55,426.98 × 22,260.78
  4. Step 4: Simplify right side
    40,165.93x = 1,233,847,807.84
  5. Step 5: Solve for x
    x = 1,233,847,807.84/40,165.93
  6. Step 6: Final answer
    x = 30,718.77

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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.