Home / 46,012.28-69,019.05-30,317.78

Finding the Fourth Proportional to 46,012.28, 69,019.05 and 30,317.78

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Solution

The fourth proportional to 46,012.28, 69,019.05 and 30,317.78 is: 45,477.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,012.28 : 69,019.05 = 30,317.78 : x
  2. Step 2: Convert to fraction form
    46,012.28/69,019.05 = 30,317.78/x
  3. Step 3: Cross multiply
    46,012.28x = 69,019.05 × 30,317.78
  4. Step 4: Simplify right side
    46,012.28x = 2,092,504,028.61
  5. Step 5: Solve for x
    x = 2,092,504,028.61/46,012.28
  6. Step 6: Final answer
    x = 45,477.08

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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.