Home / 49,750.18-68,651.76-28,240.36

Finding the Fourth Proportional to 49,750.18, 68,651.76 and 28,240.36

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Solution

The fourth proportional to 49,750.18, 68,651.76 and 28,240.36 is: 38,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,750.18 : 68,651.76 = 28,240.36 : x
  2. Step 2: Convert to fraction form
    49,750.18/68,651.76 = 28,240.36/x
  3. Step 3: Cross multiply
    49,750.18x = 68,651.76 × 28,240.36
  4. Step 4: Simplify right side
    49,750.18x = 1,938,750,417.03
  5. Step 5: Solve for x
    x = 1,938,750,417.03/49,750.18
  6. Step 6: Final answer
    x = 38,969.72

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1.5x scale

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.