Home / 56,890.62-78,504.39-31,739.58

Finding the Fourth Proportional to 56,890.62, 78,504.39 and 31,739.58

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Solution

The fourth proportional to 56,890.62, 78,504.39 and 31,739.58 is: 43,798.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,890.62 : 78,504.39 = 31,739.58 : x
  2. Step 2: Convert to fraction form
    56,890.62/78,504.39 = 31,739.58/x
  3. Step 3: Cross multiply
    56,890.62x = 78,504.39 × 31,739.58
  4. Step 4: Simplify right side
    56,890.62x = 2,491,696,366.76
  5. Step 5: Solve for x
    x = 2,491,696,366.76/56,890.62
  6. Step 6: Final answer
    x = 43,798.02

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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.