Home / 54,768.84-75,580.42-30,903.28

Finding the Fourth Proportional to 54,768.84, 75,580.42 and 30,903.28

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Solution

The fourth proportional to 54,768.84, 75,580.42 and 30,903.28 is: 42,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,768.84 : 75,580.42 = 30,903.28 : x
  2. Step 2: Convert to fraction form
    54,768.84/75,580.42 = 30,903.28/x
  3. Step 3: Cross multiply
    54,768.84x = 75,580.42 × 30,903.28
  4. Step 4: Simplify right side
    54,768.84x = 2,335,682,881.78
  5. Step 5: Solve for x
    x = 2,335,682,881.78/54,768.84
  6. Step 6: Final answer
    x = 42,646.20

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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.