Home / 32,856.84-49,309.02-13,140.90

Finding the Fourth Proportional to 32,856.84, 49,309.02 and 13,140.90

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Solution

The fourth proportional to 32,856.84, 49,309.02 and 13,140.90 is: 19,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,856.84 : 49,309.02 = 13,140.90 : x
  2. Step 2: Convert to fraction form
    32,856.84/49,309.02 = 13,140.90/x
  3. Step 3: Cross multiply
    32,856.84x = 49,309.02 × 13,140.90
  4. Step 4: Simplify right side
    32,856.84x = 647,964,900.92
  5. Step 5: Solve for x
    x = 647,964,900.92/32,856.84
  6. Step 6: Final answer
    x = 19,720.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.