Home / 56,821.03-85,256.12-30,495.02

Finding the Fourth Proportional to 56,821.03, 85,256.12 and 30,495.02

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Solution

The fourth proportional to 56,821.03, 85,256.12 and 30,495.02 is: 45,755.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,821.03 : 85,256.12 = 30,495.02 : x
  2. Step 2: Convert to fraction form
    56,821.03/85,256.12 = 30,495.02/x
  3. Step 3: Cross multiply
    56,821.03x = 85,256.12 × 30,495.02
  4. Step 4: Simplify right side
    56,821.03x = 2,599,886,734.48
  5. Step 5: Solve for x
    x = 2,599,886,734.48/56,821.03
  6. Step 6: Final answer
    x = 45,755.71

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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.