Home / 30,095.72-45,147.42-11,387.24

Finding the Fourth Proportional to 30,095.72, 45,147.42 and 11,387.24

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Solution

The fourth proportional to 30,095.72, 45,147.42 and 11,387.24 is: 17,082.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,095.72 : 45,147.42 = 11,387.24 : x
  2. Step 2: Convert to fraction form
    30,095.72/45,147.42 = 11,387.24/x
  3. Step 3: Cross multiply
    30,095.72x = 45,147.42 × 11,387.24
  4. Step 4: Simplify right side
    30,095.72x = 514,104,506.92
  5. Step 5: Solve for x
    x = 514,104,506.92/30,095.72
  6. Step 6: Final answer
    x = 17,082.31

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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.