Home / 46,012.76-69,019.80-30,318.28

Finding the Fourth Proportional to 46,012.76, 69,019.80 and 30,318.28

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Solution

The fourth proportional to 46,012.76, 69,019.80 and 30,318.28 is: 45,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,012.76 : 69,019.80 = 30,318.28 : x
  2. Step 2: Convert to fraction form
    46,012.76/69,019.80 = 30,318.28/x
  3. Step 3: Cross multiply
    46,012.76x = 69,019.80 × 30,318.28
  4. Step 4: Simplify right side
    46,012.76x = 2,092,561,621.94
  5. Step 5: Solve for x
    x = 2,092,561,621.94/46,012.76
  6. Step 6: Final answer
    x = 45,477.85

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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.