Home / 39,993.20-59,903.40-35,615.60

Finding the Fourth Proportional to 39,993.20, 59,903.40 and 35,615.60

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Solution

The fourth proportional to 39,993.20, 59,903.40 and 35,615.60 is: 53,346.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,993.20 : 59,903.40 = 35,615.60 : x
  2. Step 2: Convert to fraction form
    39,993.20/59,903.40 = 35,615.60/x
  3. Step 3: Cross multiply
    39,993.20x = 59,903.40 × 35,615.60
  4. Step 4: Simplify right side
    39,993.20x = 2,133,495,533.04
  5. Step 5: Solve for x
    x = 2,133,495,533.04/39,993.20
  6. Step 6: Final answer
    x = 53,346.46

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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.