Home / 37,731.20-56,661.60-26,715.20

Finding the Fourth Proportional to 37,731.20, 56,661.60 and 26,715.20

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Solution

The fourth proportional to 37,731.20, 56,661.60 and 26,715.20 is: 40,118.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,731.20 : 56,661.60 = 26,715.20 : x
  2. Step 2: Convert to fraction form
    37,731.20/56,661.60 = 26,715.20/x
  3. Step 3: Cross multiply
    37,731.20x = 56,661.60 × 26,715.20
  4. Step 4: Simplify right side
    37,731.20x = 1,513,725,976.32
  5. Step 5: Solve for x
    x = 1,513,725,976.32/37,731.20
  6. Step 6: Final answer
    x = 40,118.68

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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.