Home / 56,200.42-84,272.52-31,257.70

Finding the Fourth Proportional to 56,200.42, 84,272.52 and 31,257.70

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Solution

The fourth proportional to 56,200.42, 84,272.52 and 31,257.70 is: 46,870.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,200.42 : 84,272.52 = 31,257.70 : x
  2. Step 2: Convert to fraction form
    56,200.42/84,272.52 = 31,257.70/x
  3. Step 3: Cross multiply
    56,200.42x = 84,272.52 × 31,257.70
  4. Step 4: Simplify right side
    56,200.42x = 2,634,165,148.40
  5. Step 5: Solve for x
    x = 2,634,165,148.40/56,200.42
  6. Step 6: Final answer
    x = 46,870.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.