Home / 38,311.40-52,859.40-22,399.76

Finding the Fourth Proportional to 38,311.40, 52,859.40 and 22,399.76

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Solution

The fourth proportional to 38,311.40, 52,859.40 and 22,399.76 is: 30,905.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,311.40 : 52,859.40 = 22,399.76 : x
  2. Step 2: Convert to fraction form
    38,311.40/52,859.40 = 22,399.76/x
  3. Step 3: Cross multiply
    38,311.40x = 52,859.40 × 22,399.76
  4. Step 4: Simplify right side
    38,311.40x = 1,184,037,873.74
  5. Step 5: Solve for x
    x = 1,184,037,873.74/38,311.40
  6. Step 6: Final answer
    x = 30,905.63

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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.