Home / 20,532.26-30,649.88-18,041.14

Finding the Fourth Proportional to 20,532.26, 30,649.88 and 18,041.14

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Solution

The fourth proportional to 20,532.26, 30,649.88 and 18,041.14 is: 26,931.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,532.26 : 30,649.88 = 18,041.14 : x
  2. Step 2: Convert to fraction form
    20,532.26/30,649.88 = 18,041.14/x
  3. Step 3: Cross multiply
    20,532.26x = 30,649.88 × 18,041.14
  4. Step 4: Simplify right side
    20,532.26x = 552,958,744.54
  5. Step 5: Solve for x
    x = 552,958,744.54/20,532.26
  6. Step 6: Final answer
    x = 26,931.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.