Home / 56,122.37-84,155.46-18,669.39

Finding the Fourth Proportional to 56,122.37, 84,155.46 and 18,669.39

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Solution

The fourth proportional to 56,122.37, 84,155.46 and 18,669.39 is: 27,994.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,122.37 : 84,155.46 = 18,669.39 : x
  2. Step 2: Convert to fraction form
    56,122.37/84,155.46 = 18,669.39/x
  3. Step 3: Cross multiply
    56,122.37x = 84,155.46 × 18,669.39
  4. Step 4: Simplify right side
    56,122.37x = 1,571,130,717.78
  5. Step 5: Solve for x
    x = 1,571,130,717.78/56,122.37
  6. Step 6: Final answer
    x = 27,994.73

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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.