Home / 48,031.28-66,280.40-26,811.88

Finding the Fourth Proportional to 48,031.28, 66,280.40 and 26,811.88

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Solution

The fourth proportional to 48,031.28, 66,280.40 and 26,811.88 is: 36,998.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,031.28 : 66,280.40 = 26,811.88 : x
  2. Step 2: Convert to fraction form
    48,031.28/66,280.40 = 26,811.88/x
  3. Step 3: Cross multiply
    48,031.28x = 66,280.40 × 26,811.88
  4. Step 4: Simplify right side
    48,031.28x = 1,777,102,131.15
  5. Step 5: Solve for x
    x = 1,777,102,131.15/48,031.28
  6. Step 6: Final answer
    x = 36,998.85

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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.