Home / 48,487.11-66,911.97-28,339.98

Finding the Fourth Proportional to 48,487.11, 66,911.97 and 28,339.98

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Solution

The fourth proportional to 48,487.11, 66,911.97 and 28,339.98 is: 39,109.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,487.11 : 66,911.97 = 28,339.98 : x
  2. Step 2: Convert to fraction form
    48,487.11/66,911.97 = 28,339.98/x
  3. Step 3: Cross multiply
    48,487.11x = 66,911.97 × 28,339.98
  4. Step 4: Simplify right side
    48,487.11x = 1,896,283,746.92
  5. Step 5: Solve for x
    x = 1,896,283,746.92/48,487.11
  6. Step 6: Final answer
    x = 39,109.03

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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.