Home / 73,590.24-110,386.40-20,999.73

Finding the Fourth Proportional to 73,590.24, 110,386.40 and 20,999.73

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Solution

The fourth proportional to 73,590.24, 110,386.40 and 20,999.73 is: 31,499.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,590.24 : 110,386.40 = 20,999.73 : x
  2. Step 2: Convert to fraction form
    73,590.24/110,386.40 = 20,999.73/x
  3. Step 3: Cross multiply
    73,590.24x = 110,386.40 × 20,999.73
  4. Step 4: Simplify right side
    73,590.24x = 2,318,084,490.67
  5. Step 5: Solve for x
    x = 2,318,084,490.67/73,590.24
  6. Step 6: Final answer
    x = 31,499.89

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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.