Home / 62,690.42-86,511.20-35,094.70

Finding the Fourth Proportional to 62,690.42, 86,511.20 and 35,094.70

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Solution

The fourth proportional to 62,690.42, 86,511.20 and 35,094.70 is: 48,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,690.42 : 86,511.20 = 35,094.70 : x
  2. Step 2: Convert to fraction form
    62,690.42/86,511.20 = 35,094.70/x
  3. Step 3: Cross multiply
    62,690.42x = 86,511.20 × 35,094.70
  4. Step 4: Simplify right side
    62,690.42x = 3,036,084,610.64
  5. Step 5: Solve for x
    x = 3,036,084,610.64/62,690.42
  6. Step 6: Final answer
    x = 48,429.80

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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.