Home / 30,758.03-42,451.49-29,355.62

Finding the Fourth Proportional to 30,758.03, 42,451.49 and 29,355.62

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Solution

The fourth proportional to 30,758.03, 42,451.49 and 29,355.62 is: 40,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,758.03 : 42,451.49 = 29,355.62 : x
  2. Step 2: Convert to fraction form
    30,758.03/42,451.49 = 29,355.62/x
  3. Step 3: Cross multiply
    30,758.03x = 42,451.49 × 29,355.62
  4. Step 4: Simplify right side
    30,758.03x = 1,246,189,670.01
  5. Step 5: Solve for x
    x = 1,246,189,670.01/30,758.03
  6. Step 6: Final answer
    x = 40,515.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.