Home / 56,440.62-84,669.69-18,997.77

Finding the Fourth Proportional to 56,440.62, 84,669.69 and 18,997.77

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Solution

The fourth proportional to 56,440.62, 84,669.69 and 18,997.77 is: 28,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,440.62 : 84,669.69 = 18,997.77 : x
  2. Step 2: Convert to fraction form
    56,440.62/84,669.69 = 18,997.77/x
  3. Step 3: Cross multiply
    56,440.62x = 84,669.69 × 18,997.77
  4. Step 4: Simplify right side
    56,440.62x = 1,608,535,296.59
  5. Step 5: Solve for x
    x = 1,608,535,296.59/56,440.62
  6. Step 6: Final answer
    x = 28,499.60

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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.