Home / 50,950.86-70,310.90-28,289.16

Finding the Fourth Proportional to 50,950.86, 70,310.90 and 28,289.16

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Solution

The fourth proportional to 50,950.86, 70,310.90 and 28,289.16 is: 39,038.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,950.86 : 70,310.90 = 28,289.16 : x
  2. Step 2: Convert to fraction form
    50,950.86/70,310.90 = 28,289.16/x
  3. Step 3: Cross multiply
    50,950.86x = 70,310.90 × 28,289.16
  4. Step 4: Simplify right side
    50,950.86x = 1,989,036,299.84
  5. Step 5: Solve for x
    x = 1,989,036,299.84/50,950.86
  6. Step 6: Final answer
    x = 39,038.33

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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.