Home / 31,835.76-43,934.73-17,688.60

Finding the Fourth Proportional to 31,835.76, 43,934.73 and 17,688.60

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Solution

The fourth proportional to 31,835.76, 43,934.73 and 17,688.60 is: 24,411.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,835.76 : 43,934.73 = 17,688.60 : x
  2. Step 2: Convert to fraction form
    31,835.76/43,934.73 = 17,688.60/x
  3. Step 3: Cross multiply
    31,835.76x = 43,934.73 × 17,688.60
  4. Step 4: Simplify right side
    31,835.76x = 777,143,865.08
  5. Step 5: Solve for x
    x = 777,143,865.08/31,835.76
  6. Step 6: Final answer
    x = 24,411.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.