Home / 57,080.53-78,768.35-31,586.44

Finding the Fourth Proportional to 57,080.53, 78,768.35 and 31,586.44

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Solution

The fourth proportional to 57,080.53, 78,768.35 and 31,586.44 is: 43,587.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,080.53 : 78,768.35 = 31,586.44 : x
  2. Step 2: Convert to fraction form
    57,080.53/78,768.35 = 31,586.44/x
  3. Step 3: Cross multiply
    57,080.53x = 78,768.35 × 31,586.44
  4. Step 4: Simplify right side
    57,080.53x = 2,488,011,406.32
  5. Step 5: Solve for x
    x = 2,488,011,406.32/57,080.53
  6. Step 6: Final answer
    x = 43,587.74

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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.