Home / 31,734.76-47,612.09-19,098.31

Finding the Fourth Proportional to 31,734.76, 47,612.09 and 19,098.31

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Solution

The fourth proportional to 31,734.76, 47,612.09 and 19,098.31 is: 28,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,734.76 : 47,612.09 = 19,098.31 : x
  2. Step 2: Convert to fraction form
    31,734.76/47,612.09 = 19,098.31/x
  3. Step 3: Cross multiply
    31,734.76x = 47,612.09 × 19,098.31
  4. Step 4: Simplify right side
    31,734.76x = 909,310,454.57
  5. Step 5: Solve for x
    x = 909,310,454.57/31,734.76
  6. Step 6: Final answer
    x = 28,653.45

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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.