Home / 35,819.32-49,431.20-19,904.80

Finding the Fourth Proportional to 35,819.32, 49,431.20 and 19,904.80

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Solution

The fourth proportional to 35,819.32, 49,431.20 and 19,904.80 is: 27,468.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,819.32 : 49,431.20 = 19,904.80 : x
  2. Step 2: Convert to fraction form
    35,819.32/49,431.20 = 19,904.80/x
  3. Step 3: Cross multiply
    35,819.32x = 49,431.20 × 19,904.80
  4. Step 4: Simplify right side
    35,819.32x = 983,918,149.76
  5. Step 5: Solve for x
    x = 983,918,149.76/35,819.32
  6. Step 6: Final answer
    x = 27,468.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.