Home / 48,799.08-73,184.10-20,718.72

Finding the Fourth Proportional to 48,799.08, 73,184.10 and 20,718.72

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Solution

The fourth proportional to 48,799.08, 73,184.10 and 20,718.72 is: 31,071.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,799.08 : 73,184.10 = 20,718.72 : x
  2. Step 2: Convert to fraction form
    48,799.08/73,184.10 = 20,718.72/x
  3. Step 3: Cross multiply
    48,799.08x = 73,184.10 × 20,718.72
  4. Step 4: Simplify right side
    48,799.08x = 1,516,280,876.35
  5. Step 5: Solve for x
    x = 1,516,280,876.35/48,799.08
  6. Step 6: Final answer
    x = 31,071.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.