Home / 30,081.40-45,109.67-11,358.26

Finding the Fourth Proportional to 30,081.40, 45,109.67 and 11,358.26

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Solution

The fourth proportional to 30,081.40, 45,109.67 and 11,358.26 is: 17,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,081.40 : 45,109.67 = 11,358.26 : x
  2. Step 2: Convert to fraction form
    30,081.40/45,109.67 = 11,358.26/x
  3. Step 3: Cross multiply
    30,081.40x = 45,109.67 × 11,358.26
  4. Step 4: Simplify right side
    30,081.40x = 512,367,360.37
  5. Step 5: Solve for x
    x = 512,367,360.37/30,081.40
  6. Step 6: Final answer
    x = 17,032.70

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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.