Home / 75,277.04-112,817.12-30,851.78

Finding the Fourth Proportional to 75,277.04, 112,817.12 and 30,851.78

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Solution

The fourth proportional to 75,277.04, 112,817.12 and 30,851.78 is: 46,237.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,277.04 : 112,817.12 = 30,851.78 : x
  2. Step 2: Convert to fraction form
    75,277.04/112,817.12 = 30,851.78/x
  3. Step 3: Cross multiply
    75,277.04x = 112,817.12 × 30,851.78
  4. Step 4: Simplify right side
    75,277.04x = 3,480,608,248.13
  5. Step 5: Solve for x
    x = 3,480,608,248.13/75,277.04
  6. Step 6: Final answer
    x = 46,237.32

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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.