Home / 31,527.48-43,507.34-17,187.46

Finding the Fourth Proportional to 31,527.48, 43,507.34 and 17,187.46

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Solution

The fourth proportional to 31,527.48, 43,507.34 and 17,187.46 is: 23,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,527.48 : 43,507.34 = 17,187.46 : x
  2. Step 2: Convert to fraction form
    31,527.48/43,507.34 = 17,187.46/x
  3. Step 3: Cross multiply
    31,527.48x = 43,507.34 × 17,187.46
  4. Step 4: Simplify right side
    31,527.48x = 747,780,665.96
  5. Step 5: Solve for x
    x = 747,780,665.96/31,527.48
  6. Step 6: Final answer
    x = 23,718.38

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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.