Home / 54,758.42-75,577.56-30,885.56

Finding the Fourth Proportional to 54,758.42, 75,577.56 and 30,885.56

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Solution

The fourth proportional to 54,758.42, 75,577.56 and 30,885.56 is: 42,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,758.42 : 75,577.56 = 30,885.56 : x
  2. Step 2: Convert to fraction form
    54,758.42/75,577.56 = 30,885.56/x
  3. Step 3: Cross multiply
    54,758.42x = 75,577.56 × 30,885.56
  4. Step 4: Simplify right side
    54,758.42x = 2,334,255,264.03
  5. Step 5: Solve for x
    x = 2,334,255,264.03/54,758.42
  6. Step 6: Final answer
    x = 42,628.24

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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.