Home / 72,272.52-108,455.04-39,015.74

Finding the Fourth Proportional to 72,272.52, 108,455.04 and 39,015.74

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Solution

The fourth proportional to 72,272.52, 108,455.04 and 39,015.74 is: 58,548.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,272.52 : 108,455.04 = 39,015.74 : x
  2. Step 2: Convert to fraction form
    72,272.52/108,455.04 = 39,015.74/x
  3. Step 3: Cross multiply
    72,272.52x = 108,455.04 × 39,015.74
  4. Step 4: Simplify right side
    72,272.52x = 4,231,453,642.33
  5. Step 5: Solve for x
    x = 4,231,453,642.33/72,272.52
  6. Step 6: Final answer
    x = 58,548.58

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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.