Home / 48,211.58-66,541.20-28,071.56

Finding the Fourth Proportional to 48,211.58, 66,541.20 and 28,071.56

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Solution

The fourth proportional to 48,211.58, 66,541.20 and 28,071.56 is: 38,744.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,211.58 : 66,541.20 = 28,071.56 : x
  2. Step 2: Convert to fraction form
    48,211.58/66,541.20 = 28,071.56/x
  3. Step 3: Cross multiply
    48,211.58x = 66,541.20 × 28,071.56
  4. Step 4: Simplify right side
    48,211.58x = 1,867,915,288.27
  5. Step 5: Solve for x
    x = 1,867,915,288.27/48,211.58
  6. Step 6: Final answer
    x = 38,744.12

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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.