Home / 39,801.20-59,701.80-33,657.20

Finding the Fourth Proportional to 39,801.20, 59,701.80 and 33,657.20

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Solution

The fourth proportional to 39,801.20, 59,701.80 and 33,657.20 is: 50,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,801.20 : 59,701.80 = 33,657.20 : x
  2. Step 2: Convert to fraction form
    39,801.20/59,701.80 = 33,657.20/x
  3. Step 3: Cross multiply
    39,801.20x = 59,701.80 × 33,657.20
  4. Step 4: Simplify right side
    39,801.20x = 2,009,395,422.96
  5. Step 5: Solve for x
    x = 2,009,395,422.96/39,801.20
  6. Step 6: Final answer
    x = 50,485.80

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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.