Home / 54,219.75-74,824.95-30,346.38

Finding the Fourth Proportional to 54,219.75, 74,824.95 and 30,346.38

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Solution

The fourth proportional to 54,219.75, 74,824.95 and 30,346.38 is: 41,878.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,219.75 : 74,824.95 = 30,346.38 : x
  2. Step 2: Convert to fraction form
    54,219.75/74,824.95 = 30,346.38/x
  3. Step 3: Cross multiply
    54,219.75x = 74,824.95 × 30,346.38
  4. Step 4: Simplify right side
    54,219.75x = 2,270,666,366.18
  5. Step 5: Solve for x
    x = 2,270,666,366.18/54,219.75
  6. Step 6: Final answer
    x = 41,878.95

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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.