Home / 54,428.76-75,111.02-30,554.82

Finding the Fourth Proportional to 54,428.76, 75,111.02 and 30,554.82

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Solution

The fourth proportional to 54,428.76, 75,111.02 and 30,554.82 is: 42,165.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,428.76 : 75,111.02 = 30,554.82 : x
  2. Step 2: Convert to fraction form
    54,428.76/75,111.02 = 30,554.82/x
  3. Step 3: Cross multiply
    54,428.76x = 75,111.02 × 30,554.82
  4. Step 4: Simplify right side
    54,428.76x = 2,295,003,396.95
  5. Step 5: Solve for x
    x = 2,295,003,396.95/54,428.76
  6. Step 6: Final answer
    x = 42,165.27

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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.