Home / 30,157.20-45,217.56-13,514.16

Finding the Fourth Proportional to 30,157.20, 45,217.56 and 13,514.16

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Solution

The fourth proportional to 30,157.20, 45,217.56 and 13,514.16 is: 20,263.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,157.20 : 45,217.56 = 13,514.16 : x
  2. Step 2: Convert to fraction form
    30,157.20/45,217.56 = 13,514.16/x
  3. Step 3: Cross multiply
    30,157.20x = 45,217.56 × 13,514.16
  4. Step 4: Simplify right side
    30,157.20x = 611,077,340.65
  5. Step 5: Solve for x
    x = 611,077,340.65/30,157.20
  6. Step 6: Final answer
    x = 20,263.07

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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.