Home / 58,739.07-81,060-31,881.59

Finding the Fourth Proportional to 58,739.07, 81,060 and 31,881.59

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Solution

The fourth proportional to 58,739.07, 81,060 and 31,881.59 is: 43,996.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,739.07 : 81,060 = 31,881.59 : x
  2. Step 2: Convert to fraction form
    58,739.07/81,060 = 31,881.59/x
  3. Step 3: Cross multiply
    58,739.07x = 81,060 × 31,881.59
  4. Step 4: Simplify right side
    58,739.07x = 2,584,321,280.10
  5. Step 5: Solve for x
    x = 2,584,321,280.10/58,739.07
  6. Step 6: Final answer
    x = 43,996.63

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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.