Home / 35,408.40-53,121.71-10,447.44

Finding the Fourth Proportional to 35,408.40, 53,121.71 and 10,447.44

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Solution

The fourth proportional to 35,408.40, 53,121.71 and 10,447.44 is: 15,673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,408.40 : 53,121.71 = 10,447.44 : x
  2. Step 2: Convert to fraction form
    35,408.40/53,121.71 = 10,447.44/x
  3. Step 3: Cross multiply
    35,408.40x = 53,121.71 × 10,447.44
  4. Step 4: Simplify right side
    35,408.40x = 554,985,877.92
  5. Step 5: Solve for x
    x = 554,985,877.92/35,408.40
  6. Step 6: Final answer
    x = 15,673.85

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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.