Home / 54,941.28-75,809.08-30,742.73

Finding the Fourth Proportional to 54,941.28, 75,809.08 and 30,742.73

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Solution

The fourth proportional to 54,941.28, 75,809.08 and 30,742.73 is: 42,419.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,941.28 : 75,809.08 = 30,742.73 : x
  2. Step 2: Convert to fraction form
    54,941.28/75,809.08 = 30,742.73/x
  3. Step 3: Cross multiply
    54,941.28x = 75,809.08 × 30,742.73
  4. Step 4: Simplify right side
    54,941.28x = 2,330,578,077.99
  5. Step 5: Solve for x
    x = 2,330,578,077.99/54,941.28
  6. Step 6: Final answer
    x = 42,419.44

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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.