Home / 40,913.10-61,369.65-13,211.10

Finding the Fourth Proportional to 40,913.10, 61,369.65 and 13,211.10

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Solution

The fourth proportional to 40,913.10, 61,369.65 and 13,211.10 is: 19,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,913.10 : 61,369.65 = 13,211.10 : x
  2. Step 2: Convert to fraction form
    40,913.10/61,369.65 = 13,211.10/x
  3. Step 3: Cross multiply
    40,913.10x = 61,369.65 × 13,211.10
  4. Step 4: Simplify right side
    40,913.10x = 810,760,583.12
  5. Step 5: Solve for x
    x = 810,760,583.12/40,913.10
  6. Step 6: Final answer
    x = 19,816.65

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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.