Home / 75,031.44-112,505.61-30,689.33

Finding the Fourth Proportional to 75,031.44, 112,505.61 and 30,689.33

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Solution

The fourth proportional to 75,031.44, 112,505.61 and 30,689.33 is: 46,017.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,031.44 : 112,505.61 = 30,689.33 : x
  2. Step 2: Convert to fraction form
    75,031.44/112,505.61 = 30,689.33/x
  3. Step 3: Cross multiply
    75,031.44x = 112,505.61 × 30,689.33
  4. Step 4: Simplify right side
    75,031.44x = 3,452,721,638.69
  5. Step 5: Solve for x
    x = 3,452,721,638.69/75,031.44
  6. Step 6: Final answer
    x = 46,017.00

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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.