Home / 57,490.73-86,232.50-21,460.16

Finding the Fourth Proportional to 57,490.73, 86,232.50 and 21,460.16

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Solution

The fourth proportional to 57,490.73, 86,232.50 and 21,460.16 is: 32,188.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,490.73 : 86,232.50 = 21,460.16 : x
  2. Step 2: Convert to fraction form
    57,490.73/86,232.50 = 21,460.16/x
  3. Step 3: Cross multiply
    57,490.73x = 86,232.50 × 21,460.16
  4. Step 4: Simplify right side
    57,490.73x = 1,850,562,708.74
  5. Step 5: Solve for x
    x = 1,850,562,708.74/57,490.73
  6. Step 6: Final answer
    x = 32,188.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.