Home / 57,059.19-78,741.23-31,908.69

Finding the Fourth Proportional to 57,059.19, 78,741.23 and 31,908.69

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Solution

The fourth proportional to 57,059.19, 78,741.23 and 31,908.69 is: 44,033.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,059.19 : 78,741.23 = 31,908.69 : x
  2. Step 2: Convert to fraction form
    57,059.19/78,741.23 = 31,908.69/x
  3. Step 3: Cross multiply
    57,059.19x = 78,741.23 × 31,908.69
  4. Step 4: Simplify right side
    57,059.19x = 2,512,529,338.75
  5. Step 5: Solve for x
    x = 2,512,529,338.75/57,059.19
  6. Step 6: Final answer
    x = 44,033.74

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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.