Home / 56,910.16-85,374.51-21,374.25

Finding the Fourth Proportional to 56,910.16, 85,374.51 and 21,374.25

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Solution

The fourth proportional to 56,910.16, 85,374.51 and 21,374.25 is: 32,064.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,910.16 : 85,374.51 = 21,374.25 : x
  2. Step 2: Convert to fraction form
    56,910.16/85,374.51 = 21,374.25/x
  3. Step 3: Cross multiply
    56,910.16x = 85,374.51 × 21,374.25
  4. Step 4: Simplify right side
    56,910.16x = 1,824,815,720.06
  5. Step 5: Solve for x
    x = 1,824,815,720.06/56,910.16
  6. Step 6: Final answer
    x = 32,064.85

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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.