Home / 63,291.28-87,338.32-34,995.12

Finding the Fourth Proportional to 63,291.28, 87,338.32 and 34,995.12

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Solution

The fourth proportional to 63,291.28, 87,338.32 and 34,995.12 is: 48,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,291.28 : 87,338.32 = 34,995.12 : x
  2. Step 2: Convert to fraction form
    63,291.28/87,338.32 = 34,995.12/x
  3. Step 3: Cross multiply
    63,291.28x = 87,338.32 × 34,995.12
  4. Step 4: Simplify right side
    63,291.28x = 3,056,414,989.00
  5. Step 5: Solve for x
    x = 3,056,414,989.00/63,291.28
  6. Step 6: Final answer
    x = 48,291.25

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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.