Home / 56,886.09-85,265.54-21,313.18

Finding the Fourth Proportional to 56,886.09, 85,265.54 and 21,313.18

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Solution

The fourth proportional to 56,886.09, 85,265.54 and 21,313.18 is: 31,945.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,886.09 : 85,265.54 = 21,313.18 : x
  2. Step 2: Convert to fraction form
    56,886.09/85,265.54 = 21,313.18/x
  3. Step 3: Cross multiply
    56,886.09x = 85,265.54 × 21,313.18
  4. Step 4: Simplify right side
    56,886.09x = 1,817,279,801.82
  5. Step 5: Solve for x
    x = 1,817,279,801.82/56,886.09
  6. Step 6: Final answer
    x = 31,945.94

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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.