Home / 63,128.32-87,125.17-36,276.06

Finding the Fourth Proportional to 63,128.32, 87,125.17 and 36,276.06

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Solution

The fourth proportional to 63,128.32, 87,125.17 and 36,276.06 is: 50,065.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,128.32 : 87,125.17 = 36,276.06 : x
  2. Step 2: Convert to fraction form
    63,128.32/87,125.17 = 36,276.06/x
  3. Step 3: Cross multiply
    63,128.32x = 87,125.17 × 36,276.06
  4. Step 4: Simplify right side
    63,128.32x = 3,160,557,953.44
  5. Step 5: Solve for x
    x = 3,160,557,953.44/63,128.32
  6. Step 6: Final answer
    x = 50,065.61

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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.