Home / 40,900.58-61,322.14-15,919.56

Finding the Fourth Proportional to 40,900.58, 61,322.14 and 15,919.56

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Solution

The fourth proportional to 40,900.58, 61,322.14 and 15,919.56 is: 23,868.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,900.58 : 61,322.14 = 15,919.56 : x
  2. Step 2: Convert to fraction form
    40,900.58/61,322.14 = 15,919.56/x
  3. Step 3: Cross multiply
    40,900.58x = 61,322.14 × 15,919.56
  4. Step 4: Simplify right side
    40,900.58x = 976,221,487.06
  5. Step 5: Solve for x
    x = 976,221,487.06/40,900.58
  6. Step 6: Final answer
    x = 23,868.16

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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.