Home / 42,531.84-58,663.44-31,204.80

Finding the Fourth Proportional to 42,531.84, 58,663.44 and 31,204.80

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Solution

The fourth proportional to 42,531.84, 58,663.44 and 31,204.80 is: 43,040.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,531.84 : 58,663.44 = 31,204.80 : x
  2. Step 2: Convert to fraction form
    42,531.84/58,663.44 = 31,204.80/x
  3. Step 3: Cross multiply
    42,531.84x = 58,663.44 × 31,204.80
  4. Step 4: Simplify right side
    42,531.84x = 1,830,580,912.51
  5. Step 5: Solve for x
    x = 1,830,580,912.51/42,531.84
  6. Step 6: Final answer
    x = 43,040.25

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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.