Home / 56,088.32-84,132.48-31,481.60

Finding the Fourth Proportional to 56,088.32, 84,132.48 and 31,481.60

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Solution

The fourth proportional to 56,088.32, 84,132.48 and 31,481.60 is: 47,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,088.32 : 84,132.48 = 31,481.60 : x
  2. Step 2: Convert to fraction form
    56,088.32/84,132.48 = 31,481.60/x
  3. Step 3: Cross multiply
    56,088.32x = 84,132.48 × 31,481.60
  4. Step 4: Simplify right side
    56,088.32x = 2,648,625,082.37
  5. Step 5: Solve for x
    x = 2,648,625,082.37/56,088.32
  6. Step 6: Final answer
    x = 47,222.40

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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.