Home / 37,721.76-52,050.24-21,803.12

Finding the Fourth Proportional to 37,721.76, 52,050.24 and 21,803.12

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Solution

The fourth proportional to 37,721.76, 52,050.24 and 21,803.12 is: 30,084.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,721.76 : 52,050.24 = 21,803.12 : x
  2. Step 2: Convert to fraction form
    37,721.76/52,050.24 = 21,803.12/x
  3. Step 3: Cross multiply
    37,721.76x = 52,050.24 × 21,803.12
  4. Step 4: Simplify right side
    37,721.76x = 1,134,857,628.75
  5. Step 5: Solve for x
    x = 1,134,857,628.75/37,721.76
  6. Step 6: Final answer
    x = 30,084.96

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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.