Home / 54,870.08-75,720.60-29,719.68

Finding the Fourth Proportional to 54,870.08, 75,720.60 and 29,719.68

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Solution

The fourth proportional to 54,870.08, 75,720.60 and 29,719.68 is: 41,013.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,870.08 : 75,720.60 = 29,719.68 : x
  2. Step 2: Convert to fraction form
    54,870.08/75,720.60 = 29,719.68/x
  3. Step 3: Cross multiply
    54,870.08x = 75,720.60 × 29,719.68
  4. Step 4: Simplify right side
    54,870.08x = 2,250,392,001.41
  5. Step 5: Solve for x
    x = 2,250,392,001.41/54,870.08
  6. Step 6: Final answer
    x = 41,013.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.