Home / 35,716.40-49,290.25-20,404.29

Finding the Fourth Proportional to 35,716.40, 49,290.25 and 20,404.29

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Solution

The fourth proportional to 35,716.40, 49,290.25 and 20,404.29 is: 28,158.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,716.40 : 49,290.25 = 20,404.29 : x
  2. Step 2: Convert to fraction form
    35,716.40/49,290.25 = 20,404.29/x
  3. Step 3: Cross multiply
    35,716.40x = 49,290.25 × 20,404.29
  4. Step 4: Simplify right side
    35,716.40x = 1,005,732,555.17
  5. Step 5: Solve for x
    x = 1,005,732,555.17/35,716.40
  6. Step 6: Final answer
    x = 28,158.84

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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.