Home / 75,022.61-112,563.07-28,308.29

Finding the Fourth Proportional to 75,022.61, 112,563.07 and 28,308.29

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Solution

The fourth proportional to 75,022.61, 112,563.07 and 28,308.29 is: 42,473.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,022.61 : 112,563.07 = 28,308.29 : x
  2. Step 2: Convert to fraction form
    75,022.61/112,563.07 = 28,308.29/x
  3. Step 3: Cross multiply
    75,022.61x = 112,563.07 × 28,308.29
  4. Step 4: Simplify right side
    75,022.61x = 3,186,467,395.26
  5. Step 5: Solve for x
    x = 3,186,467,395.26/75,022.61
  6. Step 6: Final answer
    x = 42,473.43

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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.