Home / 50,971.16-70,340.20-28,615.16

Finding the Fourth Proportional to 50,971.16, 70,340.20 and 28,615.16

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Solution

The fourth proportional to 50,971.16, 70,340.20 and 28,615.16 is: 39,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,971.16 : 70,340.20 = 28,615.16 : x
  2. Step 2: Convert to fraction form
    50,971.16/70,340.20 = 28,615.16/x
  3. Step 3: Cross multiply
    50,971.16x = 70,340.20 × 28,615.16
  4. Step 4: Simplify right side
    50,971.16x = 2,012,795,725.73
  5. Step 5: Solve for x
    x = 2,012,795,725.73/50,971.16
  6. Step 6: Final answer
    x = 39,488.92

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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.