Home / 57,104.69-78,806.58-31,265.05

Finding the Fourth Proportional to 57,104.69, 78,806.58 and 31,265.05

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Solution

The fourth proportional to 57,104.69, 78,806.58 and 31,265.05 is: 43,146.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,104.69 : 78,806.58 = 31,265.05 : x
  2. Step 2: Convert to fraction form
    57,104.69/78,806.58 = 31,265.05/x
  3. Step 3: Cross multiply
    57,104.69x = 78,806.58 × 31,265.05
  4. Step 4: Simplify right side
    57,104.69x = 2,463,891,467.01
  5. Step 5: Solve for x
    x = 2,463,891,467.01/57,104.69
  6. Step 6: Final answer
    x = 43,146.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.