Home / 48,284.55-66,637.22-28,139.85

Finding the Fourth Proportional to 48,284.55, 66,637.22 and 28,139.85

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Solution

The fourth proportional to 48,284.55, 66,637.22 and 28,139.85 is: 38,835.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,284.55 : 66,637.22 = 28,139.85 : x
  2. Step 2: Convert to fraction form
    48,284.55/66,637.22 = 28,139.85/x
  3. Step 3: Cross multiply
    48,284.55x = 66,637.22 × 28,139.85
  4. Step 4: Simplify right side
    48,284.55x = 1,875,161,234.52
  5. Step 5: Solve for x
    x = 1,875,161,234.52/48,284.55
  6. Step 6: Final answer
    x = 38,835.64

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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.