Home / 30,268.72-45,412.34-15,488.14

Finding the Fourth Proportional to 30,268.72, 45,412.34 and 15,488.14

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Solution

The fourth proportional to 30,268.72, 45,412.34 and 15,488.14 is: 23,236.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.72 : 45,412.34 = 15,488.14 : x
  2. Step 2: Convert to fraction form
    30,268.72/45,412.34 = 15,488.14/x
  3. Step 3: Cross multiply
    30,268.72x = 45,412.34 × 15,488.14
  4. Step 4: Simplify right side
    30,268.72x = 703,352,679.65
  5. Step 5: Solve for x
    x = 703,352,679.65/30,268.72
  6. Step 6: Final answer
    x = 23,236.95

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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.