Home / 31,001.56-42,783.30-17,204.28

Finding the Fourth Proportional to 31,001.56, 42,783.30 and 17,204.28

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Solution

The fourth proportional to 31,001.56, 42,783.30 and 17,204.28 is: 23,742.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,001.56 : 42,783.30 = 17,204.28 : x
  2. Step 2: Convert to fraction form
    31,001.56/42,783.30 = 17,204.28/x
  3. Step 3: Cross multiply
    31,001.56x = 42,783.30 × 17,204.28
  4. Step 4: Simplify right side
    31,001.56x = 736,055,872.52
  5. Step 5: Solve for x
    x = 736,055,872.52/31,001.56
  6. Step 6: Final answer
    x = 23,742.54

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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.