Home / 56,085.28-84,141.48-21,025.24

Finding the Fourth Proportional to 56,085.28, 84,141.48 and 21,025.24

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Solution

The fourth proportional to 56,085.28, 84,141.48 and 21,025.24 is: 31,542.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,085.28 : 84,141.48 = 21,025.24 : x
  2. Step 2: Convert to fraction form
    56,085.28/84,141.48 = 21,025.24/x
  3. Step 3: Cross multiply
    56,085.28x = 84,141.48 × 21,025.24
  4. Step 4: Simplify right side
    56,085.28x = 1,769,094,810.96
  5. Step 5: Solve for x
    x = 1,769,094,810.96/56,085.28
  6. Step 6: Final answer
    x = 31,542.94

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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.