Home / 57,001.04-78,661.40-31,850.48

Finding the Fourth Proportional to 57,001.04, 78,661.40 and 31,850.48

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Solution

The fourth proportional to 57,001.04, 78,661.40 and 31,850.48 is: 43,953.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,001.04 : 78,661.40 = 31,850.48 : x
  2. Step 2: Convert to fraction form
    57,001.04/78,661.40 = 31,850.48/x
  3. Step 3: Cross multiply
    57,001.04x = 78,661.40 × 31,850.48
  4. Step 4: Simplify right side
    57,001.04x = 2,505,403,347.47
  5. Step 5: Solve for x
    x = 2,505,403,347.47/57,001.04
  6. Step 6: Final answer
    x = 43,953.64

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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.