Home / 49,701.08-68,589.06-28,487

Finding the Fourth Proportional to 49,701.08, 68,589.06 and 28,487

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Solution

The fourth proportional to 49,701.08, 68,589.06 and 28,487 is: 39,312.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,701.08 : 68,589.06 = 28,487 : x
  2. Step 2: Convert to fraction form
    49,701.08/68,589.06 = 28,487/x
  3. Step 3: Cross multiply
    49,701.08x = 68,589.06 × 28,487
  4. Step 4: Simplify right side
    49,701.08x = 1,953,896,552.22
  5. Step 5: Solve for x
    x = 1,953,896,552.22/49,701.08
  6. Step 6: Final answer
    x = 39,312.96

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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.