Home / 50,730.75-70,011.68-28,374.75

Finding the Fourth Proportional to 50,730.75, 70,011.68 and 28,374.75

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Solution

The fourth proportional to 50,730.75, 70,011.68 and 28,374.75 is: 39,158.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,730.75 : 70,011.68 = 28,374.75 : x
  2. Step 2: Convert to fraction form
    50,730.75/70,011.68 = 28,374.75/x
  3. Step 3: Cross multiply
    50,730.75x = 70,011.68 × 28,374.75
  4. Step 4: Simplify right side
    50,730.75x = 1,986,563,775.21
  5. Step 5: Solve for x
    x = 1,986,563,775.21/50,730.75
  6. Step 6: Final answer
    x = 39,158.97

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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.