Home / 50,972.76-70,346.84-28,316.16

Finding the Fourth Proportional to 50,972.76, 70,346.84 and 28,316.16

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Solution

The fourth proportional to 50,972.76, 70,346.84 and 28,316.16 is: 39,078.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,972.76 : 70,346.84 = 28,316.16 : x
  2. Step 2: Convert to fraction form
    50,972.76/70,346.84 = 28,316.16/x
  3. Step 3: Cross multiply
    50,972.76x = 70,346.84 × 28,316.16
  4. Step 4: Simplify right side
    50,972.76x = 1,991,952,235.35
  5. Step 5: Solve for x
    x = 1,991,952,235.35/50,972.76
  6. Step 6: Final answer
    x = 39,078.76

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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.