Home / 50,323.16-75,419.12-20,711.18

Finding the Fourth Proportional to 50,323.16, 75,419.12 and 20,711.18

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Solution

The fourth proportional to 50,323.16, 75,419.12 and 20,711.18 is: 31,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,323.16 : 75,419.12 = 20,711.18 : x
  2. Step 2: Convert to fraction form
    50,323.16/75,419.12 = 20,711.18/x
  3. Step 3: Cross multiply
    50,323.16x = 75,419.12 × 20,711.18
  4. Step 4: Simplify right side
    50,323.16x = 1,562,018,489.11
  5. Step 5: Solve for x
    x = 1,562,018,489.11/50,323.16
  6. Step 6: Final answer
    x = 31,039.76

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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.