Home / 49,770.32-68,681.66-28,258.74

Finding the Fourth Proportional to 49,770.32, 68,681.66 and 28,258.74

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Solution

The fourth proportional to 49,770.32, 68,681.66 and 28,258.74 is: 38,996.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,770.32 : 68,681.66 = 28,258.74 : x
  2. Step 2: Convert to fraction form
    49,770.32/68,681.66 = 28,258.74/x
  3. Step 3: Cross multiply
    49,770.32x = 68,681.66 × 28,258.74
  4. Step 4: Simplify right side
    49,770.32x = 1,940,857,031.41
  5. Step 5: Solve for x
    x = 1,940,857,031.41/49,770.32
  6. Step 6: Final answer
    x = 38,996.28

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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.