Home / 57,621.06-86,431.68-37,987.32

Finding the Fourth Proportional to 57,621.06, 86,431.68 and 37,987.32

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Solution

The fourth proportional to 57,621.06, 86,431.68 and 37,987.32 is: 56,981.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,621.06 : 86,431.68 = 37,987.32 : x
  2. Step 2: Convert to fraction form
    57,621.06/86,431.68 = 37,987.32/x
  3. Step 3: Cross multiply
    57,621.06x = 86,431.68 × 37,987.32
  4. Step 4: Simplify right side
    57,621.06x = 3,283,307,886.30
  5. Step 5: Solve for x
    x = 3,283,307,886.30/57,621.06
  6. Step 6: Final answer
    x = 56,981.04

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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.