Home / 53,911.50-74,398.59-31,252.11

Finding the Fourth Proportional to 53,911.50, 74,398.59 and 31,252.11

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Solution

The fourth proportional to 53,911.50, 74,398.59 and 31,252.11 is: 43,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,911.50 : 74,398.59 = 31,252.11 : x
  2. Step 2: Convert to fraction form
    53,911.50/74,398.59 = 31,252.11/x
  3. Step 3: Cross multiply
    53,911.50x = 74,398.59 × 31,252.11
  4. Step 4: Simplify right side
    53,911.50x = 2,325,112,918.52
  5. Step 5: Solve for x
    x = 2,325,112,918.52/53,911.50
  6. Step 6: Final answer
    x = 43,128.33

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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.