Home / 57,104.26-78,804.06-30,910.24

Finding the Fourth Proportional to 57,104.26, 78,804.06 and 30,910.24

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Solution

The fourth proportional to 57,104.26, 78,804.06 and 30,910.24 is: 42,656.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,104.26 : 78,804.06 = 30,910.24 : x
  2. Step 2: Convert to fraction form
    57,104.26/78,804.06 = 30,910.24/x
  3. Step 3: Cross multiply
    57,104.26x = 78,804.06 × 30,910.24
  4. Step 4: Simplify right side
    57,104.26x = 2,435,852,407.57
  5. Step 5: Solve for x
    x = 2,435,852,407.57/57,104.26
  6. Step 6: Final answer
    x = 42,656.23

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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.