Home / 37,195.28-51,329.85-20,428.28

Finding the Fourth Proportional to 37,195.28, 51,329.85 and 20,428.28

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Solution

The fourth proportional to 37,195.28, 51,329.85 and 20,428.28 is: 28,191.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,195.28 : 51,329.85 = 20,428.28 : x
  2. Step 2: Convert to fraction form
    37,195.28/51,329.85 = 20,428.28/x
  3. Step 3: Cross multiply
    37,195.28x = 51,329.85 × 20,428.28
  4. Step 4: Simplify right side
    37,195.28x = 1,048,580,548.16
  5. Step 5: Solve for x
    x = 1,048,580,548.16/37,195.28
  6. Step 6: Final answer
    x = 28,191.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.