Home / 37,245.32-51,401.06-20,478.28

Finding the Fourth Proportional to 37,245.32, 51,401.06 and 20,478.28

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Solution

The fourth proportional to 37,245.32, 51,401.06 and 20,478.28 is: 28,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,245.32 : 51,401.06 = 20,478.28 : x
  2. Step 2: Convert to fraction form
    37,245.32/51,401.06 = 20,478.28/x
  3. Step 3: Cross multiply
    37,245.32x = 51,401.06 × 20,478.28
  4. Step 4: Simplify right side
    37,245.32x = 1,052,605,298.98
  5. Step 5: Solve for x
    x = 1,052,605,298.98/37,245.32
  6. Step 6: Final answer
    x = 28,261.41

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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.