Home / 54,258.60-81,339.30-35,547.60

Finding the Fourth Proportional to 54,258.60, 81,339.30 and 35,547.60

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Solution

The fourth proportional to 54,258.60, 81,339.30 and 35,547.60 is: 53,289.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,258.60 : 81,339.30 = 35,547.60 : x
  2. Step 2: Convert to fraction form
    54,258.60/81,339.30 = 35,547.60/x
  3. Step 3: Cross multiply
    54,258.60x = 81,339.30 × 35,547.60
  4. Step 4: Simplify right side
    54,258.60x = 2,891,416,900.68
  5. Step 5: Solve for x
    x = 2,891,416,900.68/54,258.60
  6. Step 6: Final answer
    x = 53,289.56

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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.