Home / 31,513.56-47,278.54-11,793.64

Finding the Fourth Proportional to 31,513.56, 47,278.54 and 11,793.64

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Solution

The fourth proportional to 31,513.56, 47,278.54 and 11,793.64 is: 17,693.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,513.56 : 47,278.54 = 11,793.64 : x
  2. Step 2: Convert to fraction form
    31,513.56/47,278.54 = 11,793.64/x
  3. Step 3: Cross multiply
    31,513.56x = 47,278.54 × 11,793.64
  4. Step 4: Simplify right side
    31,513.56x = 557,586,080.49
  5. Step 5: Solve for x
    x = 557,586,080.49/31,513.56
  6. Step 6: Final answer
    x = 17,693.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.