Home / 53,968.48-74,483.26-31,005.48

Finding the Fourth Proportional to 53,968.48, 74,483.26 and 31,005.48

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Solution

The fourth proportional to 53,968.48, 74,483.26 and 31,005.48 is: 42,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,968.48 : 74,483.26 = 31,005.48 : x
  2. Step 2: Convert to fraction form
    53,968.48/74,483.26 = 31,005.48/x
  3. Step 3: Cross multiply
    53,968.48x = 74,483.26 × 31,005.48
  4. Step 4: Simplify right side
    53,968.48x = 2,309,389,228.26
  5. Step 5: Solve for x
    x = 2,309,389,228.26/53,968.48
  6. Step 6: Final answer
    x = 42,791.44

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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.