Home / 37,436.32-51,662.30-20,440.91

Finding the Fourth Proportional to 37,436.32, 51,662.30 and 20,440.91

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Solution

The fourth proportional to 37,436.32, 51,662.30 and 20,440.91 is: 28,208.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,436.32 : 51,662.30 = 20,440.91 : x
  2. Step 2: Convert to fraction form
    37,436.32/51,662.30 = 20,440.91/x
  3. Step 3: Cross multiply
    37,436.32x = 51,662.30 × 20,440.91
  4. Step 4: Simplify right side
    37,436.32x = 1,056,024,424.69
  5. Step 5: Solve for x
    x = 1,056,024,424.69/37,436.32
  6. Step 6: Final answer
    x = 28,208.55

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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.