Home / 57,056.44-78,741.50-31,906.04

Finding the Fourth Proportional to 57,056.44, 78,741.50 and 31,906.04

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Solution

The fourth proportional to 57,056.44, 78,741.50 and 31,906.04 is: 44,032.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,056.44 : 78,741.50 = 31,906.04 : x
  2. Step 2: Convert to fraction form
    57,056.44/78,741.50 = 31,906.04/x
  3. Step 3: Cross multiply
    57,056.44x = 78,741.50 × 31,906.04
  4. Step 4: Simplify right side
    57,056.44x = 2,512,329,448.66
  5. Step 5: Solve for x
    x = 2,512,329,448.66/57,056.44
  6. Step 6: Final answer
    x = 44,032.36

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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.