Home / 30,174.12-45,532.53-29,131.65

Finding the Fourth Proportional to 30,174.12, 45,532.53 and 29,131.65

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Solution

The fourth proportional to 30,174.12, 45,532.53 and 29,131.65 is: 43,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,174.12 : 45,532.53 = 29,131.65 : x
  2. Step 2: Convert to fraction form
    30,174.12/45,532.53 = 29,131.65/x
  3. Step 3: Cross multiply
    30,174.12x = 45,532.53 × 29,131.65
  4. Step 4: Simplify right side
    30,174.12x = 1,326,437,727.57
  5. Step 5: Solve for x
    x = 1,326,437,727.57/30,174.12
  6. Step 6: Final answer
    x = 43,959.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.