Home / 54,428.56-75,111.11-30,555.23

Finding the Fourth Proportional to 54,428.56, 75,111.11 and 30,555.23

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Solution

The fourth proportional to 54,428.56, 75,111.11 and 30,555.23 is: 42,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,428.56 : 75,111.11 = 30,555.23 : x
  2. Step 2: Convert to fraction form
    54,428.56/75,111.11 = 30,555.23/x
  3. Step 3: Cross multiply
    54,428.56x = 75,111.11 × 30,555.23
  4. Step 4: Simplify right side
    54,428.56x = 2,295,037,241.61
  5. Step 5: Solve for x
    x = 2,295,037,241.61/54,428.56
  6. Step 6: Final answer
    x = 42,166.05

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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.