Home / 37,661.32-51,970.86-20,665.18

Finding the Fourth Proportional to 37,661.32, 51,970.86 and 20,665.18

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Solution

The fourth proportional to 37,661.32, 51,970.86 and 20,665.18 is: 28,516.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,661.32 : 51,970.86 = 20,665.18 : x
  2. Step 2: Convert to fraction form
    37,661.32/51,970.86 = 20,665.18/x
  3. Step 3: Cross multiply
    37,661.32x = 51,970.86 × 20,665.18
  4. Step 4: Simplify right side
    37,661.32x = 1,073,987,176.65
  5. Step 5: Solve for x
    x = 1,073,987,176.65/37,661.32
  6. Step 6: Final answer
    x = 28,516.98

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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.