Home / 43,032.60-64,621.80-31,951.80

Finding the Fourth Proportional to 43,032.60, 64,621.80 and 31,951.80

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Solution

The fourth proportional to 43,032.60, 64,621.80 and 31,951.80 is: 47,981.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,032.60 : 64,621.80 = 31,951.80 : x
  2. Step 2: Convert to fraction form
    43,032.60/64,621.80 = 31,951.80/x
  3. Step 3: Cross multiply
    43,032.60x = 64,621.80 × 31,951.80
  4. Step 4: Simplify right side
    43,032.60x = 2,064,782,829.24
  5. Step 5: Solve for x
    x = 2,064,782,829.24/43,032.60
  6. Step 6: Final answer
    x = 47,981.83

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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.