Home / 31,921.69-47,888.68-10,860.88

Finding the Fourth Proportional to 31,921.69, 47,888.68 and 10,860.88

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Solution

The fourth proportional to 31,921.69, 47,888.68 and 10,860.88 is: 16,293.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,921.69 : 47,888.68 = 10,860.88 : x
  2. Step 2: Convert to fraction form
    31,921.69/47,888.68 = 10,860.88/x
  3. Step 3: Cross multiply
    31,921.69x = 47,888.68 × 10,860.88
  4. Step 4: Simplify right side
    31,921.69x = 520,113,059.96
  5. Step 5: Solve for x
    x = 520,113,059.96/31,921.69
  6. Step 6: Final answer
    x = 16,293.41

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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.