Home / 56,357.24-84,541.49-20,827.89

Finding the Fourth Proportional to 56,357.24, 84,541.49 and 20,827.89

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Solution

The fourth proportional to 56,357.24, 84,541.49 and 20,827.89 is: 31,243.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,357.24 : 84,541.49 = 20,827.89 : x
  2. Step 2: Convert to fraction form
    56,357.24/84,541.49 = 20,827.89/x
  3. Step 3: Cross multiply
    56,357.24x = 84,541.49 × 20,827.89
  4. Step 4: Simplify right side
    56,357.24x = 1,760,820,750.02
  5. Step 5: Solve for x
    x = 1,760,820,750.02/56,357.24
  6. Step 6: Final answer
    x = 31,243.92

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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.