Home / 31,540.42-47,313.36-11,555.34

Finding the Fourth Proportional to 31,540.42, 47,313.36 and 11,555.34

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Solution

The fourth proportional to 31,540.42, 47,313.36 and 11,555.34 is: 17,334.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,540.42 : 47,313.36 = 11,555.34 : x
  2. Step 2: Convert to fraction form
    31,540.42/47,313.36 = 11,555.34/x
  3. Step 3: Cross multiply
    31,540.42x = 47,313.36 × 11,555.34
  4. Step 4: Simplify right side
    31,540.42x = 546,721,667.00
  5. Step 5: Solve for x
    x = 546,721,667.00/31,540.42
  6. Step 6: Final answer
    x = 17,334.00

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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.