Home / 50,155.30-75,122.01-20,483.17

Finding the Fourth Proportional to 50,155.30, 75,122.01 and 20,483.17

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Solution

The fourth proportional to 50,155.30, 75,122.01 and 20,483.17 is: 30,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,155.30 : 75,122.01 = 20,483.17 : x
  2. Step 2: Convert to fraction form
    50,155.30/75,122.01 = 20,483.17/x
  3. Step 3: Cross multiply
    50,155.30x = 75,122.01 × 20,483.17
  4. Step 4: Simplify right side
    50,155.30x = 1,538,736,901.57
  5. Step 5: Solve for x
    x = 1,538,736,901.57/50,155.30
  6. Step 6: Final answer
    x = 30,679.45

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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.