Home / 49,256.93-67,974.64-28,036.20

Finding the Fourth Proportional to 49,256.93, 67,974.64 and 28,036.20

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Solution

The fourth proportional to 49,256.93, 67,974.64 and 28,036.20 is: 38,689.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,256.93 : 67,974.64 = 28,036.20 : x
  2. Step 2: Convert to fraction form
    49,256.93/67,974.64 = 28,036.20/x
  3. Step 3: Cross multiply
    49,256.93x = 67,974.64 × 28,036.20
  4. Step 4: Simplify right side
    49,256.93x = 1,905,750,252.67
  5. Step 5: Solve for x
    x = 1,905,750,252.67/49,256.93
  6. Step 6: Final answer
    x = 38,689.99

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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.