Home / 48,118.32-66,415.32-38,520.72

Finding the Fourth Proportional to 48,118.32, 66,415.32 and 38,520.72

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Solution

The fourth proportional to 48,118.32, 66,415.32 and 38,520.72 is: 53,168.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,118.32 : 66,415.32 = 38,520.72 : x
  2. Step 2: Convert to fraction form
    48,118.32/66,415.32 = 38,520.72/x
  3. Step 3: Cross multiply
    48,118.32x = 66,415.32 × 38,520.72
  4. Step 4: Simplify right side
    48,118.32x = 2,558,365,945.43
  5. Step 5: Solve for x
    x = 2,558,365,945.43/48,118.32
  6. Step 6: Final answer
    x = 53,168.23

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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.