Home / 49,700.08-68,587.68-28,486

Finding the Fourth Proportional to 49,700.08, 68,587.68 and 28,486

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Solution

The fourth proportional to 49,700.08, 68,587.68 and 28,486 is: 39,311.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,700.08 : 68,587.68 = 28,486 : x
  2. Step 2: Convert to fraction form
    49,700.08/68,587.68 = 28,486/x
  3. Step 3: Cross multiply
    49,700.08x = 68,587.68 × 28,486
  4. Step 4: Simplify right side
    49,700.08x = 1,953,788,652.48
  5. Step 5: Solve for x
    x = 1,953,788,652.48/49,700.08
  6. Step 6: Final answer
    x = 39,311.58

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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.