Home / 35,404.28-48,859.06-20,299.80

Finding the Fourth Proportional to 35,404.28, 48,859.06 and 20,299.80

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Solution

The fourth proportional to 35,404.28, 48,859.06 and 20,299.80 is: 28,014.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,404.28 : 48,859.06 = 20,299.80 : x
  2. Step 2: Convert to fraction form
    35,404.28/48,859.06 = 20,299.80/x
  3. Step 3: Cross multiply
    35,404.28x = 48,859.06 × 20,299.80
  4. Step 4: Simplify right side
    35,404.28x = 991,829,146.19
  5. Step 5: Solve for x
    x = 991,829,146.19/35,404.28
  6. Step 6: Final answer
    x = 28,014.39

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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.