Home / 62,136.50-85,756.47-36,986

Finding the Fourth Proportional to 62,136.50, 85,756.47 and 36,986

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Solution

The fourth proportional to 62,136.50, 85,756.47 and 36,986 is: 51,045.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,136.50 : 85,756.47 = 36,986 : x
  2. Step 2: Convert to fraction form
    62,136.50/85,756.47 = 36,986/x
  3. Step 3: Cross multiply
    62,136.50x = 85,756.47 × 36,986
  4. Step 4: Simplify right side
    62,136.50x = 3,171,788,799.42
  5. Step 5: Solve for x
    x = 3,171,788,799.42/62,136.50
  6. Step 6: Final answer
    x = 51,045.50

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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.