Home / 75,272.40-112,908.60-30,884.40

Finding the Fourth Proportional to 75,272.40, 112,908.60 and 30,884.40

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Solution

The fourth proportional to 75,272.40, 112,908.60 and 30,884.40 is: 46,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,272.40 : 112,908.60 = 30,884.40 : x
  2. Step 2: Convert to fraction form
    75,272.40/112,908.60 = 30,884.40/x
  3. Step 3: Cross multiply
    75,272.40x = 112,908.60 × 30,884.40
  4. Step 4: Simplify right side
    75,272.40x = 3,487,114,365.84
  5. Step 5: Solve for x
    x = 3,487,114,365.84/75,272.40
  6. Step 6: Final answer
    x = 46,326.60

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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.