Home / 35,449.20-53,148.20-19,871.60

Finding the Fourth Proportional to 35,449.20, 53,148.20 and 19,871.60

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Solution

The fourth proportional to 35,449.20, 53,148.20 and 19,871.60 is: 29,793.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,449.20 : 53,148.20 = 19,871.60 : x
  2. Step 2: Convert to fraction form
    35,449.20/53,148.20 = 19,871.60/x
  3. Step 3: Cross multiply
    35,449.20x = 53,148.20 × 19,871.60
  4. Step 4: Simplify right side
    35,449.20x = 1,056,139,771.12
  5. Step 5: Solve for x
    x = 1,056,139,771.12/35,449.20
  6. Step 6: Final answer
    x = 29,793.05

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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.