Home / 42,270-58,336.86-23,407.13

Finding the Fourth Proportional to 42,270, 58,336.86 and 23,407.13

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Solution

The fourth proportional to 42,270, 58,336.86 and 23,407.13 is: 32,304.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,270 : 58,336.86 = 23,407.13 : x
  2. Step 2: Convert to fraction form
    42,270/58,336.86 = 23,407.13/x
  3. Step 3: Cross multiply
    42,270x = 58,336.86 × 23,407.13
  4. Step 4: Simplify right side
    42,270x = 1,365,498,174.13
  5. Step 5: Solve for x
    x = 1,365,498,174.13/42,270
  6. Step 6: Final answer
    x = 32,304.19

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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.