Home / 53,811.64-74,258.91-31,151.58

Finding the Fourth Proportional to 53,811.64, 74,258.91 and 31,151.58

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Solution

The fourth proportional to 53,811.64, 74,258.91 and 31,151.58 is: 42,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,811.64 : 74,258.91 = 31,151.58 : x
  2. Step 2: Convert to fraction form
    53,811.64/74,258.91 = 31,151.58/x
  3. Step 3: Cross multiply
    53,811.64x = 74,258.91 × 31,151.58
  4. Step 4: Simplify right side
    53,811.64x = 2,313,282,375.58
  5. Step 5: Solve for x
    x = 2,313,282,375.58/53,811.64
  6. Step 6: Final answer
    x = 42,988.52

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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.