Home / 40,972.32-61,458.90-27,021.72

Finding the Fourth Proportional to 40,972.32, 61,458.90 and 27,021.72

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Solution

The fourth proportional to 40,972.32, 61,458.90 and 27,021.72 is: 40,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,972.32 : 61,458.90 = 27,021.72 : x
  2. Step 2: Convert to fraction form
    40,972.32/61,458.90 = 27,021.72/x
  3. Step 3: Cross multiply
    40,972.32x = 61,458.90 × 27,021.72
  4. Step 4: Simplify right side
    40,972.32x = 1,660,725,187.31
  5. Step 5: Solve for x
    x = 1,660,725,187.31/40,972.32
  6. Step 6: Final answer
    x = 40,532.86

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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.