Home / 63,278.30-87,323.31-34,983.38

Finding the Fourth Proportional to 63,278.30, 87,323.31 and 34,983.38

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Solution

The fourth proportional to 63,278.30, 87,323.31 and 34,983.38 is: 48,276.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,278.30 : 87,323.31 = 34,983.38 : x
  2. Step 2: Convert to fraction form
    63,278.30/87,323.31 = 34,983.38/x
  3. Step 3: Cross multiply
    63,278.30x = 87,323.31 × 34,983.38
  4. Step 4: Simplify right side
    63,278.30x = 3,054,864,099.97
  5. Step 5: Solve for x
    x = 3,054,864,099.97/63,278.30
  6. Step 6: Final answer
    x = 48,276.65

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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.