Home / 50,872.86-70,205.18-28,212.17

Finding the Fourth Proportional to 50,872.86, 70,205.18 and 28,212.17

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Solution

The fourth proportional to 50,872.86, 70,205.18 and 28,212.17 is: 38,933.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,872.86 : 70,205.18 = 28,212.17 : x
  2. Step 2: Convert to fraction form
    50,872.86/70,205.18 = 28,212.17/x
  3. Step 3: Cross multiply
    50,872.86x = 70,205.18 × 28,212.17
  4. Step 4: Simplify right side
    50,872.86x = 1,980,639,980.95
  5. Step 5: Solve for x
    x = 1,980,639,980.95/50,872.86
  6. Step 6: Final answer
    x = 38,933.14

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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.