Home / 45,281.93-62,489.29-28,296.05

Finding the Fourth Proportional to 45,281.93, 62,489.29 and 28,296.05

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Solution

The fourth proportional to 45,281.93, 62,489.29 and 28,296.05 is: 39,048.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,281.93 : 62,489.29 = 28,296.05 : x
  2. Step 2: Convert to fraction form
    45,281.93/62,489.29 = 28,296.05/x
  3. Step 3: Cross multiply
    45,281.93x = 62,489.29 × 28,296.05
  4. Step 4: Simplify right side
    45,281.93x = 1,768,199,691.12
  5. Step 5: Solve for x
    x = 1,768,199,691.12/45,281.93
  6. Step 6: Final answer
    x = 39,048.69

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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.