Home / 30,077.28-45,118.08-9,298.08

Finding the Fourth Proportional to 30,077.28, 45,118.08 and 9,298.08

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Solution

The fourth proportional to 30,077.28, 45,118.08 and 9,298.08 is: 13,947.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,077.28 : 45,118.08 = 9,298.08 : x
  2. Step 2: Convert to fraction form
    30,077.28/45,118.08 = 9,298.08/x
  3. Step 3: Cross multiply
    30,077.28x = 45,118.08 × 9,298.08
  4. Step 4: Simplify right side
    30,077.28x = 419,511,517.29
  5. Step 5: Solve for x
    x = 419,511,517.29/30,077.28
  6. Step 6: Final answer
    x = 13,947.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.