Home / 56,405.95-77,830.34-32,195.86

Finding the Fourth Proportional to 56,405.95, 77,830.34 and 32,195.86

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Solution

The fourth proportional to 56,405.95, 77,830.34 and 32,195.86 is: 44,424.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,405.95 : 77,830.34 = 32,195.86 : x
  2. Step 2: Convert to fraction form
    56,405.95/77,830.34 = 32,195.86/x
  3. Step 3: Cross multiply
    56,405.95x = 77,830.34 × 32,195.86
  4. Step 4: Simplify right side
    56,405.95x = 2,505,814,730.39
  5. Step 5: Solve for x
    x = 2,505,814,730.39/56,405.95
  6. Step 6: Final answer
    x = 44,424.65

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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.