Home / 54,314.21-74,949.50-30,436.26

Finding the Fourth Proportional to 54,314.21, 74,949.50 and 30,436.26

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Solution

The fourth proportional to 54,314.21, 74,949.50 and 30,436.26 is: 41,999.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,314.21 : 74,949.50 = 30,436.26 : x
  2. Step 2: Convert to fraction form
    54,314.21/74,949.50 = 30,436.26/x
  3. Step 3: Cross multiply
    54,314.21x = 74,949.50 × 30,436.26
  4. Step 4: Simplify right side
    54,314.21x = 2,281,182,316.69
  5. Step 5: Solve for x
    x = 2,281,182,316.69/54,314.21
  6. Step 6: Final answer
    x = 41,999.74

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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.