Home / 54,220.18-74,823.11-30,346.84

Finding the Fourth Proportional to 54,220.18, 74,823.11 and 30,346.84

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Solution

The fourth proportional to 54,220.18, 74,823.11 and 30,346.84 is: 41,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,220.18 : 74,823.11 = 30,346.84 : x
  2. Step 2: Convert to fraction form
    54,220.18/74,823.11 = 30,346.84/x
  3. Step 3: Cross multiply
    54,220.18x = 74,823.11 × 30,346.84
  4. Step 4: Simplify right side
    54,220.18x = 2,270,644,795.74
  5. Step 5: Solve for x
    x = 2,270,644,795.74/54,220.18
  6. Step 6: Final answer
    x = 41,878.23

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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.