Home / 53,856.60-80,736.30-35,145.60

Finding the Fourth Proportional to 53,856.60, 80,736.30 and 35,145.60

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Solution

The fourth proportional to 53,856.60, 80,736.30 and 35,145.60 is: 52,686.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,856.60 : 80,736.30 = 35,145.60 : x
  2. Step 2: Convert to fraction form
    53,856.60/80,736.30 = 35,145.60/x
  3. Step 3: Cross multiply
    53,856.60x = 80,736.30 × 35,145.60
  4. Step 4: Simplify right side
    53,856.60x = 2,837,525,705.28
  5. Step 5: Solve for x
    x = 2,837,525,705.28/53,856.60
  6. Step 6: Final answer
    x = 52,686.68

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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.