Home / 56,310.48-84,485.04-21,260.16

Finding the Fourth Proportional to 56,310.48, 84,485.04 and 21,260.16

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Solution

The fourth proportional to 56,310.48, 84,485.04 and 21,260.16 is: 31,897.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,310.48 : 84,485.04 = 21,260.16 : x
  2. Step 2: Convert to fraction form
    56,310.48/84,485.04 = 21,260.16/x
  3. Step 3: Cross multiply
    56,310.48x = 84,485.04 × 21,260.16
  4. Step 4: Simplify right side
    56,310.48x = 1,796,165,468.01
  5. Step 5: Solve for x
    x = 1,796,165,468.01/56,310.48
  6. Step 6: Final answer
    x = 31,897.53

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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.