Home / 40,561.54-56,013.40-38,352.66

Finding the Fourth Proportional to 40,561.54, 56,013.40 and 38,352.66

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Solution

The fourth proportional to 40,561.54, 56,013.40 and 38,352.66 is: 52,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,561.54 : 56,013.40 = 38,352.66 : x
  2. Step 2: Convert to fraction form
    40,561.54/56,013.40 = 38,352.66/x
  3. Step 3: Cross multiply
    40,561.54x = 56,013.40 × 38,352.66
  4. Step 4: Simplify right side
    40,561.54x = 2,148,262,885.64
  5. Step 5: Solve for x
    x = 2,148,262,885.64/40,561.54
  6. Step 6: Final answer
    x = 52,963.05

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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.