Home / 53,911.32-74,397.68-31,263.47

Finding the Fourth Proportional to 53,911.32, 74,397.68 and 31,263.47

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Solution

The fourth proportional to 53,911.32, 74,397.68 and 31,263.47 is: 43,143.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,911.32 : 74,397.68 = 31,263.47 : x
  2. Step 2: Convert to fraction form
    53,911.32/74,397.68 = 31,263.47/x
  3. Step 3: Cross multiply
    53,911.32x = 74,397.68 × 31,263.47
  4. Step 4: Simplify right side
    53,911.32x = 2,325,929,636.75
  5. Step 5: Solve for x
    x = 2,325,929,636.75/53,911.32
  6. Step 6: Final answer
    x = 43,143.62

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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.