Home / 39,489.20-59,233.80-37,739.60

Finding the Fourth Proportional to 39,489.20, 59,233.80 and 37,739.60

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Solution

The fourth proportional to 39,489.20, 59,233.80 and 37,739.60 is: 56,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,489.20 : 59,233.80 = 37,739.60 : x
  2. Step 2: Convert to fraction form
    39,489.20/59,233.80 = 37,739.60/x
  3. Step 3: Cross multiply
    39,489.20x = 59,233.80 × 37,739.60
  4. Step 4: Simplify right side
    39,489.20x = 2,235,459,918.48
  5. Step 5: Solve for x
    x = 2,235,459,918.48/39,489.20
  6. Step 6: Final answer
    x = 56,609.40

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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.