Home / 37,278.77-55,918.76-19,712.30

Finding the Fourth Proportional to 37,278.77, 55,918.76 and 19,712.30

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Solution

The fourth proportional to 37,278.77, 55,918.76 and 19,712.30 is: 29,568.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,278.77 : 55,918.76 = 19,712.30 : x
  2. Step 2: Convert to fraction form
    37,278.77/55,918.76 = 19,712.30/x
  3. Step 3: Cross multiply
    37,278.77x = 55,918.76 × 19,712.30
  4. Step 4: Simplify right side
    37,278.77x = 1,102,286,994.59
  5. Step 5: Solve for x
    x = 1,102,286,994.59/37,278.77
  6. Step 6: Final answer
    x = 29,568.76

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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.