Home / 20,073.60-30,111.21-5,284.01

Finding the Fourth Proportional to 20,073.60, 30,111.21 and 5,284.01

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Solution

The fourth proportional to 20,073.60, 30,111.21 and 5,284.01 is: 7,926.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,073.60 : 30,111.21 = 5,284.01 : x
  2. Step 2: Convert to fraction form
    20,073.60/30,111.21 = 5,284.01/x
  3. Step 3: Cross multiply
    20,073.60x = 30,111.21 × 5,284.01
  4. Step 4: Simplify right side
    20,073.60x = 159,107,934.75
  5. Step 5: Solve for x
    x = 159,107,934.75/20,073.60
  6. Step 6: Final answer
    x = 7,926.23

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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.