Home / 41,317.42-61,980.21-13,230.40

Finding the Fourth Proportional to 41,317.42, 61,980.21 and 13,230.40

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Solution

The fourth proportional to 41,317.42, 61,980.21 and 13,230.40 is: 19,846.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,317.42 : 61,980.21 = 13,230.40 : x
  2. Step 2: Convert to fraction form
    41,317.42/61,980.21 = 13,230.40/x
  3. Step 3: Cross multiply
    41,317.42x = 61,980.21 × 13,230.40
  4. Step 4: Simplify right side
    41,317.42x = 820,022,970.38
  5. Step 5: Solve for x
    x = 820,022,970.38/41,317.42
  6. Step 6: Final answer
    x = 19,846.91

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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.