Home / 30,367.22-45,560.91-20,480.18

Finding the Fourth Proportional to 30,367.22, 45,560.91 and 20,480.18

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Solution

The fourth proportional to 30,367.22, 45,560.91 and 20,480.18 is: 30,727.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,367.22 : 45,560.91 = 20,480.18 : x
  2. Step 2: Convert to fraction form
    30,367.22/45,560.91 = 20,480.18/x
  3. Step 3: Cross multiply
    30,367.22x = 45,560.91 × 20,480.18
  4. Step 4: Simplify right side
    30,367.22x = 933,095,637.76
  5. Step 5: Solve for x
    x = 933,095,637.76/30,367.22
  6. Step 6: Final answer
    x = 30,727.07

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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.