Home / 20,038.05-30,032.46-11,254.50

Finding the Fourth Proportional to 20,038.05, 30,032.46 and 11,254.50

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Solution

The fourth proportional to 20,038.05, 30,032.46 and 11,254.50 is: 16,867.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.05 : 30,032.46 = 11,254.50 : x
  2. Step 2: Convert to fraction form
    20,038.05/30,032.46 = 11,254.50/x
  3. Step 3: Cross multiply
    20,038.05x = 30,032.46 × 11,254.50
  4. Step 4: Simplify right side
    20,038.05x = 338,000,321.07
  5. Step 5: Solve for x
    x = 338,000,321.07/20,038.05
  6. Step 6: Final answer
    x = 16,867.92

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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.