Home / 40,445.40-55,815.84-22,541.88

Finding the Fourth Proportional to 40,445.40, 55,815.84 and 22,541.88

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Solution

The fourth proportional to 40,445.40, 55,815.84 and 22,541.88 is: 31,108.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,445.40 : 55,815.84 = 22,541.88 : x
  2. Step 2: Convert to fraction form
    40,445.40/55,815.84 = 22,541.88/x
  3. Step 3: Cross multiply
    40,445.40x = 55,815.84 × 22,541.88
  4. Step 4: Simplify right side
    40,445.40x = 1,258,193,967.38
  5. Step 5: Solve for x
    x = 1,258,193,967.38/40,445.40
  6. Step 6: Final answer
    x = 31,108.46

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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.