Home / 31,680.68-43,714.76-17,533.49

Finding the Fourth Proportional to 31,680.68, 43,714.76 and 17,533.49

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Solution

The fourth proportional to 31,680.68, 43,714.76 and 17,533.49 is: 24,193.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,680.68 : 43,714.76 = 17,533.49 : x
  2. Step 2: Convert to fraction form
    31,680.68/43,714.76 = 17,533.49/x
  3. Step 3: Cross multiply
    31,680.68x = 43,714.76 × 17,533.49
  4. Step 4: Simplify right side
    31,680.68x = 766,472,001.07
  5. Step 5: Solve for x
    x = 766,472,001.07/31,680.68
  6. Step 6: Final answer
    x = 24,193.68

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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.