Home / 48,124.11-72,045.39-28,072.29

Finding the Fourth Proportional to 48,124.11, 72,045.39 and 28,072.29

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Solution

The fourth proportional to 48,124.11, 72,045.39 and 28,072.29 is: 42,026.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,124.11 : 72,045.39 = 28,072.29 : x
  2. Step 2: Convert to fraction form
    48,124.11/72,045.39 = 28,072.29/x
  3. Step 3: Cross multiply
    48,124.11x = 72,045.39 × 28,072.29
  4. Step 4: Simplify right side
    48,124.11x = 2,022,479,081.24
  5. Step 5: Solve for x
    x = 2,022,479,081.24/48,124.11
  6. Step 6: Final answer
    x = 42,026.32

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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.