Home / 50,730.48-70,010.12-28,069.10

Finding the Fourth Proportional to 50,730.48, 70,010.12 and 28,069.10

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Solution

The fourth proportional to 50,730.48, 70,010.12 and 28,069.10 is: 38,736.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,730.48 : 70,010.12 = 28,069.10 : x
  2. Step 2: Convert to fraction form
    50,730.48/70,010.12 = 28,069.10/x
  3. Step 3: Cross multiply
    50,730.48x = 70,010.12 × 28,069.10
  4. Step 4: Simplify right side
    50,730.48x = 1,965,120,884.27
  5. Step 5: Solve for x
    x = 1,965,120,884.27/50,730.48
  6. Step 6: Final answer
    x = 38,736.50

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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.