Home / 58,727.32-81,043.75-31,869.83

Finding the Fourth Proportional to 58,727.32, 81,043.75 and 31,869.83

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Solution

The fourth proportional to 58,727.32, 81,043.75 and 31,869.83 is: 43,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,727.32 : 81,043.75 = 31,869.83 : x
  2. Step 2: Convert to fraction form
    58,727.32/81,043.75 = 31,869.83/x
  3. Step 3: Cross multiply
    58,727.32x = 81,043.75 × 31,869.83
  4. Step 4: Simplify right side
    58,727.32x = 2,582,850,129.84
  5. Step 5: Solve for x
    x = 2,582,850,129.84/58,727.32
  6. Step 6: Final answer
    x = 43,980.39

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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.