Home / 35,615.60-49,149.96-19,699.64

Finding the Fourth Proportional to 35,615.60, 49,149.96 and 19,699.64

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Solution

The fourth proportional to 35,615.60, 49,149.96 and 19,699.64 is: 27,185.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,615.60 : 49,149.96 = 19,699.64 : x
  2. Step 2: Convert to fraction form
    35,615.60/49,149.96 = 19,699.64/x
  3. Step 3: Cross multiply
    35,615.60x = 49,149.96 × 19,699.64
  4. Step 4: Simplify right side
    35,615.60x = 968,236,518.01
  5. Step 5: Solve for x
    x = 968,236,518.01/35,615.60
  6. Step 6: Final answer
    x = 27,185.74

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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.