Home / 75,031.94-112,506.35-30,689.83

Finding the Fourth Proportional to 75,031.94, 112,506.35 and 30,689.83

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Solution

The fourth proportional to 75,031.94, 112,506.35 and 30,689.83 is: 46,017.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,031.94 : 112,506.35 = 30,689.83 : x
  2. Step 2: Convert to fraction form
    75,031.94/112,506.35 = 30,689.83/x
  3. Step 3: Cross multiply
    75,031.94x = 112,506.35 × 30,689.83
  4. Step 4: Simplify right side
    75,031.94x = 3,452,800,755.42
  5. Step 5: Solve for x
    x = 3,452,800,755.42/75,031.94
  6. Step 6: Final answer
    x = 46,017.75

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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.