Home / 50,971.34-70,340.46-28,615.34

Finding the Fourth Proportional to 50,971.34, 70,340.46 and 28,615.34

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Solution

The fourth proportional to 50,971.34, 70,340.46 and 28,615.34 is: 39,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,971.34 : 70,340.46 = 28,615.34 : x
  2. Step 2: Convert to fraction form
    50,971.34/70,340.46 = 28,615.34/x
  3. Step 3: Cross multiply
    50,971.34x = 70,340.46 × 28,615.34
  4. Step 4: Simplify right side
    50,971.34x = 2,012,816,335.13
  5. Step 5: Solve for x
    x = 2,012,816,335.13/50,971.34
  6. Step 6: Final answer
    x = 39,489.18

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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.