Home / 61,821.36-92,739.47-21,832.13

Finding the Fourth Proportional to 61,821.36, 92,739.47 and 21,832.13

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Solution

The fourth proportional to 61,821.36, 92,739.47 and 21,832.13 is: 32,750.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,821.36 : 92,739.47 = 21,832.13 : x
  2. Step 2: Convert to fraction form
    61,821.36/92,739.47 = 21,832.13/x
  3. Step 3: Cross multiply
    61,821.36x = 92,739.47 × 21,832.13
  4. Step 4: Simplify right side
    61,821.36x = 2,024,700,287.86
  5. Step 5: Solve for x
    x = 2,024,700,287.86/61,821.36
  6. Step 6: Final answer
    x = 32,750.82

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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.