Home / 40,794.99-61,211.32-18,615.17

Finding the Fourth Proportional to 40,794.99, 61,211.32 and 18,615.17

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Solution

The fourth proportional to 40,794.99, 61,211.32 and 18,615.17 is: 27,931.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,794.99 : 61,211.32 = 18,615.17 : x
  2. Step 2: Convert to fraction form
    40,794.99/61,211.32 = 18,615.17/x
  3. Step 3: Cross multiply
    40,794.99x = 61,211.32 × 18,615.17
  4. Step 4: Simplify right side
    40,794.99x = 1,139,458,942.26
  5. Step 5: Solve for x
    x = 1,139,458,942.26/40,794.99
  6. Step 6: Final answer
    x = 27,931.34

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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.