Home / 37,715.25-52,043.13-21,804.78

Finding the Fourth Proportional to 37,715.25, 52,043.13 and 21,804.78

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Solution

The fourth proportional to 37,715.25, 52,043.13 and 21,804.78 is: 30,088.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,715.25 : 52,043.13 = 21,804.78 : x
  2. Step 2: Convert to fraction form
    37,715.25/52,043.13 = 21,804.78/x
  3. Step 3: Cross multiply
    37,715.25x = 52,043.13 × 21,804.78
  4. Step 4: Simplify right side
    37,715.25x = 1,134,789,000.16
  5. Step 5: Solve for x
    x = 1,134,789,000.16/37,715.25
  6. Step 6: Final answer
    x = 30,088.33

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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.