Home / 37,784.40-52,149-21,877.62

Finding the Fourth Proportional to 37,784.40, 52,149 and 21,877.62

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Solution

The fourth proportional to 37,784.40, 52,149 and 21,877.62 is: 30,194.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,784.40 : 52,149 = 21,877.62 : x
  2. Step 2: Convert to fraction form
    37,784.40/52,149 = 21,877.62/x
  3. Step 3: Cross multiply
    37,784.40x = 52,149 × 21,877.62
  4. Step 4: Simplify right side
    37,784.40x = 1,140,896,005.38
  5. Step 5: Solve for x
    x = 1,140,896,005.38/37,784.40
  6. Step 6: Final answer
    x = 30,194.90

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1.5x scale

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.