Home / 49,720.08-68,615.28-28,506

Finding the Fourth Proportional to 49,720.08, 68,615.28 and 28,506

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Solution

The fourth proportional to 49,720.08, 68,615.28 and 28,506 is: 39,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,720.08 : 68,615.28 = 28,506 : x
  2. Step 2: Convert to fraction form
    49,720.08/68,615.28 = 28,506/x
  3. Step 3: Cross multiply
    49,720.08x = 68,615.28 × 28,506
  4. Step 4: Simplify right side
    49,720.08x = 1,955,947,171.68
  5. Step 5: Solve for x
    x = 1,955,947,171.68/49,720.08
  6. Step 6: Final answer
    x = 39,339.18

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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.