Home / 54,080.40-74,630.16-30,207.40

Finding the Fourth Proportional to 54,080.40, 74,630.16 and 30,207.40

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Solution

The fourth proportional to 54,080.40, 74,630.16 and 30,207.40 is: 41,685.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,080.40 : 74,630.16 = 30,207.40 : x
  2. Step 2: Convert to fraction form
    54,080.40/74,630.16 = 30,207.40/x
  3. Step 3: Cross multiply
    54,080.40x = 74,630.16 × 30,207.40
  4. Step 4: Simplify right side
    54,080.40x = 2,254,383,095.18
  5. Step 5: Solve for x
    x = 2,254,383,095.18/54,080.40
  6. Step 6: Final answer
    x = 41,685.77

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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.