Home / 39,937.60-59,906.40-19,201.60

Finding the Fourth Proportional to 39,937.60, 59,906.40 and 19,201.60

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Solution

The fourth proportional to 39,937.60, 59,906.40 and 19,201.60 is: 28,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,937.60 : 59,906.40 = 19,201.60 : x
  2. Step 2: Convert to fraction form
    39,937.60/59,906.40 = 19,201.60/x
  3. Step 3: Cross multiply
    39,937.60x = 59,906.40 × 19,201.60
  4. Step 4: Simplify right side
    39,937.60x = 1,150,298,730.24
  5. Step 5: Solve for x
    x = 1,150,298,730.24/39,937.60
  6. Step 6: Final answer
    x = 28,802.40

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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.