Home / 75,004.30-112,506.45-19,600.30

Finding the Fourth Proportional to 75,004.30, 112,506.45 and 19,600.30

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Solution

The fourth proportional to 75,004.30, 112,506.45 and 19,600.30 is: 29,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,004.30 : 112,506.45 = 19,600.30 : x
  2. Step 2: Convert to fraction form
    75,004.30/112,506.45 = 19,600.30/x
  3. Step 3: Cross multiply
    75,004.30x = 112,506.45 × 19,600.30
  4. Step 4: Simplify right side
    75,004.30x = 2,205,160,171.94
  5. Step 5: Solve for x
    x = 2,205,160,171.94/75,004.30
  6. Step 6: Final answer
    x = 29,400.45

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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.