Home / 50,826.68-70,140.82-28,470.68

Finding the Fourth Proportional to 50,826.68, 70,140.82 and 28,470.68

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Solution

The fourth proportional to 50,826.68, 70,140.82 and 28,470.68 is: 39,289.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,826.68 : 70,140.82 = 28,470.68 : x
  2. Step 2: Convert to fraction form
    50,826.68/70,140.82 = 28,470.68/x
  3. Step 3: Cross multiply
    50,826.68x = 70,140.82 × 28,470.68
  4. Step 4: Simplify right side
    50,826.68x = 1,996,956,841.16
  5. Step 5: Solve for x
    x = 1,996,956,841.16/50,826.68
  6. Step 6: Final answer
    x = 39,289.54

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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.