Home / 40,557.79-55,969.16-22,653.05

Finding the Fourth Proportional to 40,557.79, 55,969.16 and 22,653.05

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Solution

The fourth proportional to 40,557.79, 55,969.16 and 22,653.05 is: 31,260.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,557.79 : 55,969.16 = 22,653.05 : x
  2. Step 2: Convert to fraction form
    40,557.79/55,969.16 = 22,653.05/x
  3. Step 3: Cross multiply
    40,557.79x = 55,969.16 × 22,653.05
  4. Step 4: Simplify right side
    40,557.79x = 1,267,872,179.94
  5. Step 5: Solve for x
    x = 1,267,872,179.94/40,557.79
  6. Step 6: Final answer
    x = 31,260.88

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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.