Home / 30,005.26-45,036.14-15,224.79

Finding the Fourth Proportional to 30,005.26, 45,036.14 and 15,224.79

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Solution

The fourth proportional to 30,005.26, 45,036.14 and 15,224.79 is: 22,851.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,005.26 : 45,036.14 = 15,224.79 : x
  2. Step 2: Convert to fraction form
    30,005.26/45,036.14 = 15,224.79/x
  3. Step 3: Cross multiply
    30,005.26x = 45,036.14 × 15,224.79
  4. Step 4: Simplify right side
    30,005.26x = 685,665,550.91
  5. Step 5: Solve for x
    x = 685,665,550.91/30,005.26
  6. Step 6: Final answer
    x = 22,851.51

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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.