Home / 50,191.12-69,265.14-28,971.52

Finding the Fourth Proportional to 50,191.12, 69,265.14 and 28,971.52

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Solution

The fourth proportional to 50,191.12, 69,265.14 and 28,971.52 is: 39,981.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,191.12 : 69,265.14 = 28,971.52 : x
  2. Step 2: Convert to fraction form
    50,191.12/69,265.14 = 28,971.52/x
  3. Step 3: Cross multiply
    50,191.12x = 69,265.14 × 28,971.52
  4. Step 4: Simplify right side
    50,191.12x = 2,006,716,388.81
  5. Step 5: Solve for x
    x = 2,006,716,388.81/50,191.12
  6. Step 6: Final answer
    x = 39,981.50

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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.