Home / 39,219.20-58,742.40-34,841.60

Finding the Fourth Proportional to 39,219.20, 58,742.40 and 34,841.60

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Solution

The fourth proportional to 39,219.20, 58,742.40 and 34,841.60 is: 52,185.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,219.20 : 58,742.40 = 34,841.60 : x
  2. Step 2: Convert to fraction form
    39,219.20/58,742.40 = 34,841.60/x
  3. Step 3: Cross multiply
    39,219.20x = 58,742.40 × 34,841.60
  4. Step 4: Simplify right side
    39,219.20x = 2,046,679,203.84
  5. Step 5: Solve for x
    x = 2,046,679,203.84/39,219.20
  6. Step 6: Final answer
    x = 52,185.64

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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.