Home / 35,285.60-52,911.39-20,498.75

Finding the Fourth Proportional to 35,285.60, 52,911.39 and 20,498.75

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Solution

The fourth proportional to 35,285.60, 52,911.39 and 20,498.75 is: 30,738.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,285.60 : 52,911.39 = 20,498.75 : x
  2. Step 2: Convert to fraction form
    35,285.60/52,911.39 = 20,498.75/x
  3. Step 3: Cross multiply
    35,285.60x = 52,911.39 × 20,498.75
  4. Step 4: Simplify right side
    35,285.60x = 1,084,617,355.76
  5. Step 5: Solve for x
    x = 1,084,617,355.76/35,285.60
  6. Step 6: Final answer
    x = 30,738.24

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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.