Home / 32,117.32-44,334.78-21,213.88

Finding the Fourth Proportional to 32,117.32, 44,334.78 and 21,213.88

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Solution

The fourth proportional to 32,117.32, 44,334.78 and 21,213.88 is: 29,283.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,117.32 : 44,334.78 = 21,213.88 : x
  2. Step 2: Convert to fraction form
    32,117.32/44,334.78 = 21,213.88/x
  3. Step 3: Cross multiply
    32,117.32x = 44,334.78 × 21,213.88
  4. Step 4: Simplify right side
    32,117.32x = 940,512,702.75
  5. Step 5: Solve for x
    x = 940,512,702.75/32,117.32
  6. Step 6: Final answer
    x = 29,283.66

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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.