Home / 50,423.32-75,660.50-20,862.37

Finding the Fourth Proportional to 50,423.32, 75,660.50 and 20,862.37

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Solution

The fourth proportional to 50,423.32, 75,660.50 and 20,862.37 is: 31,304.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,423.32 : 75,660.50 = 20,862.37 : x
  2. Step 2: Convert to fraction form
    50,423.32/75,660.50 = 20,862.37/x
  3. Step 3: Cross multiply
    50,423.32x = 75,660.50 × 20,862.37
  4. Step 4: Simplify right side
    50,423.32x = 1,578,457,345.39
  5. Step 5: Solve for x
    x = 1,578,457,345.39/50,423.32
  6. Step 6: Final answer
    x = 31,304.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.