Home / 31,987.31-48,002.84-11,210.81

Finding the Fourth Proportional to 31,987.31, 48,002.84 and 11,210.81

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Solution

The fourth proportional to 31,987.31, 48,002.84 and 11,210.81 is: 16,823.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,987.31 : 48,002.84 = 11,210.81 : x
  2. Step 2: Convert to fraction form
    31,987.31/48,002.84 = 11,210.81/x
  3. Step 3: Cross multiply
    31,987.31x = 48,002.84 × 11,210.81
  4. Step 4: Simplify right side
    31,987.31x = 538,150,866.73
  5. Step 5: Solve for x
    x = 538,150,866.73/31,987.31
  6. Step 6: Final answer
    x = 16,823.88

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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.