Home / 30,288.13-45,425.13-11,561.29

Finding the Fourth Proportional to 30,288.13, 45,425.13 and 11,561.29

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Solution

The fourth proportional to 30,288.13, 45,425.13 and 11,561.29 is: 17,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288.13 : 45,425.13 = 11,561.29 : x
  2. Step 2: Convert to fraction form
    30,288.13/45,425.13 = 11,561.29/x
  3. Step 3: Cross multiply
    30,288.13x = 45,425.13 × 11,561.29
  4. Step 4: Simplify right side
    30,288.13x = 525,173,101.22
  5. Step 5: Solve for x
    x = 525,173,101.22/30,288.13
  6. Step 6: Final answer
    x = 17,339.24

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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.