Home / 30,817.72-46,235.84-13,039.24

Finding the Fourth Proportional to 30,817.72, 46,235.84 and 13,039.24

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Solution

The fourth proportional to 30,817.72, 46,235.84 and 13,039.24 is: 19,562.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,817.72 : 46,235.84 = 13,039.24 : x
  2. Step 2: Convert to fraction form
    30,817.72/46,235.84 = 13,039.24/x
  3. Step 3: Cross multiply
    30,817.72x = 46,235.84 × 13,039.24
  4. Step 4: Simplify right side
    30,817.72x = 602,880,214.36
  5. Step 5: Solve for x
    x = 602,880,214.36/30,817.72
  6. Step 6: Final answer
    x = 19,562.78

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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.