Home / 73,699.36-110,548.62-21,108.86

Finding the Fourth Proportional to 73,699.36, 110,548.62 and 21,108.86

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Solution

The fourth proportional to 73,699.36, 110,548.62 and 21,108.86 is: 31,663.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,699.36 : 110,548.62 = 21,108.86 : x
  2. Step 2: Convert to fraction form
    73,699.36/110,548.62 = 21,108.86/x
  3. Step 3: Cross multiply
    73,699.36x = 110,548.62 × 21,108.86
  4. Step 4: Simplify right side
    73,699.36x = 2,333,555,342.77
  5. Step 5: Solve for x
    x = 2,333,555,342.77/73,699.36
  6. Step 6: Final answer
    x = 31,663.17

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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.