Home / 73,430.96-110,146.23-20,840.49

Finding the Fourth Proportional to 73,430.96, 110,146.23 and 20,840.49

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Solution

The fourth proportional to 73,430.96, 110,146.23 and 20,840.49 is: 31,260.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,430.96 : 110,146.23 = 20,840.49 : x
  2. Step 2: Convert to fraction form
    73,430.96/110,146.23 = 20,840.49/x
  3. Step 3: Cross multiply
    73,430.96x = 110,146.23 × 20,840.49
  4. Step 4: Simplify right side
    73,430.96x = 2,295,501,404.85
  5. Step 5: Solve for x
    x = 2,295,501,404.85/73,430.96
  6. Step 6: Final answer
    x = 31,260.68

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1.5x scale

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.