Home / 54,120.84-74,681.76-30,244.20

Finding the Fourth Proportional to 54,120.84, 74,681.76 and 30,244.20

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Solution

The fourth proportional to 54,120.84, 74,681.76 and 30,244.20 is: 41,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,120.84 : 74,681.76 = 30,244.20 : x
  2. Step 2: Convert to fraction form
    54,120.84/74,681.76 = 30,244.20/x
  3. Step 3: Cross multiply
    54,120.84x = 74,681.76 × 30,244.20
  4. Step 4: Simplify right side
    54,120.84x = 2,258,690,085.79
  5. Step 5: Solve for x
    x = 2,258,690,085.79/54,120.84
  6. Step 6: Final answer
    x = 41,734.20

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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.