Home / 31,610.25-47,347.94-20,483.89

Finding the Fourth Proportional to 31,610.25, 47,347.94 and 20,483.89

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Solution

The fourth proportional to 31,610.25, 47,347.94 and 20,483.89 is: 30,682.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,610.25 : 47,347.94 = 20,483.89 : x
  2. Step 2: Convert to fraction form
    31,610.25/47,347.94 = 20,483.89/x
  3. Step 3: Cross multiply
    31,610.25x = 47,347.94 × 20,483.89
  4. Step 4: Simplify right side
    31,610.25x = 969,869,927.53
  5. Step 5: Solve for x
    x = 969,869,927.53/31,610.25
  6. Step 6: Final answer
    x = 30,682.13

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1.5x scale

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.