Home / 35,759.08-49,345.14-20,650.60

Finding the Fourth Proportional to 35,759.08, 49,345.14 and 20,650.60

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Solution

The fourth proportional to 35,759.08, 49,345.14 and 20,650.60 is: 28,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,759.08 : 49,345.14 = 20,650.60 : x
  2. Step 2: Convert to fraction form
    35,759.08/49,345.14 = 20,650.60/x
  3. Step 3: Cross multiply
    35,759.08x = 49,345.14 × 20,650.60
  4. Step 4: Simplify right side
    35,759.08x = 1,019,006,748.08
  5. Step 5: Solve for x
    x = 1,019,006,748.08/35,759.08
  6. Step 6: Final answer
    x = 28,496.45

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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.