Home / 50,834.07-70,151.01-28,478.07

Finding the Fourth Proportional to 50,834.07, 70,151.01 and 28,478.07

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Solution

The fourth proportional to 50,834.07, 70,151.01 and 28,478.07 is: 39,299.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,834.07 : 70,151.01 = 28,478.07 : x
  2. Step 2: Convert to fraction form
    50,834.07/70,151.01 = 28,478.07/x
  3. Step 3: Cross multiply
    50,834.07x = 70,151.01 × 28,478.07
  4. Step 4: Simplify right side
    50,834.07x = 1,997,765,373.35
  5. Step 5: Solve for x
    x = 1,997,765,373.35/50,834.07
  6. Step 6: Final answer
    x = 39,299.73

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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.