Home / 54,419.02-75,088.78-30,546.70

Finding the Fourth Proportional to 54,419.02, 75,088.78 and 30,546.70

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Solution

The fourth proportional to 54,419.02, 75,088.78 and 30,546.70 is: 42,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,419.02 : 75,088.78 = 30,546.70 : x
  2. Step 2: Convert to fraction form
    54,419.02/75,088.78 = 30,546.70/x
  3. Step 3: Cross multiply
    54,419.02x = 75,088.78 × 30,546.70
  4. Step 4: Simplify right side
    54,419.02x = 2,293,714,436.03
  5. Step 5: Solve for x
    x = 2,293,714,436.03/54,419.02
  6. Step 6: Final answer
    x = 42,149.13

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1.5x scale

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.