Home / 31,711.56-47,567.34-10,935.06

Finding the Fourth Proportional to 31,711.56, 47,567.34 and 10,935.06

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Solution

The fourth proportional to 31,711.56, 47,567.34 and 10,935.06 is: 16,402.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,711.56 : 47,567.34 = 10,935.06 : x
  2. Step 2: Convert to fraction form
    31,711.56/47,567.34 = 10,935.06/x
  3. Step 3: Cross multiply
    31,711.56x = 47,567.34 × 10,935.06
  4. Step 4: Simplify right side
    31,711.56x = 520,151,716.94
  5. Step 5: Solve for x
    x = 520,151,716.94/31,711.56
  6. Step 6: Final answer
    x = 16,402.59

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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.