Home / 31,806.68-47,731.88-11,030.18

Finding the Fourth Proportional to 31,806.68, 47,731.88 and 11,030.18

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Solution

The fourth proportional to 31,806.68, 47,731.88 and 11,030.18 is: 16,552.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,806.68 : 47,731.88 = 11,030.18 : x
  2. Step 2: Convert to fraction form
    31,806.68/47,731.88 = 11,030.18/x
  3. Step 3: Cross multiply
    31,806.68x = 47,731.88 × 11,030.18
  4. Step 4: Simplify right side
    31,806.68x = 526,490,934.33
  5. Step 5: Solve for x
    x = 526,490,934.33/31,806.68
  6. Step 6: Final answer
    x = 16,552.84

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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.