Home / 75,458.94-113,187.08-30,479.19

Finding the Fourth Proportional to 75,458.94, 113,187.08 and 30,479.19

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Solution

The fourth proportional to 75,458.94, 113,187.08 and 30,479.19 is: 45,718.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,458.94 : 113,187.08 = 30,479.19 : x
  2. Step 2: Convert to fraction form
    75,458.94/113,187.08 = 30,479.19/x
  3. Step 3: Cross multiply
    75,458.94x = 113,187.08 × 30,479.19
  4. Step 4: Simplify right side
    75,458.94x = 3,449,850,364.47
  5. Step 5: Solve for x
    x = 3,449,850,364.47/75,458.94
  6. Step 6: Final answer
    x = 45,718.25

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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.