Home / 37,021.40-55,532.10-20,432.60

Finding the Fourth Proportional to 37,021.40, 55,532.10 and 20,432.60

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Solution

The fourth proportional to 37,021.40, 55,532.10 and 20,432.60 is: 30,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,021.40 : 55,532.10 = 20,432.60 : x
  2. Step 2: Convert to fraction form
    37,021.40/55,532.10 = 20,432.60/x
  3. Step 3: Cross multiply
    37,021.40x = 55,532.10 × 20,432.60
  4. Step 4: Simplify right side
    37,021.40x = 1,134,665,186.46
  5. Step 5: Solve for x
    x = 1,134,665,186.46/37,021.40
  6. Step 6: Final answer
    x = 30,648.90

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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.