Home / 54,629.16-75,385.74-30,428.82

Finding the Fourth Proportional to 54,629.16, 75,385.74 and 30,428.82

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Solution

The fourth proportional to 54,629.16, 75,385.74 and 30,428.82 is: 41,990.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,629.16 : 75,385.74 = 30,428.82 : x
  2. Step 2: Convert to fraction form
    54,629.16/75,385.74 = 30,428.82/x
  3. Step 3: Cross multiply
    54,629.16x = 75,385.74 × 30,428.82
  4. Step 4: Simplify right side
    54,629.16x = 2,293,899,113.03
  5. Step 5: Solve for x
    x = 2,293,899,113.03/54,629.16
  6. Step 6: Final answer
    x = 41,990.38

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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.