Home / 55,200.48-76,135.56-35,039.88

Finding the Fourth Proportional to 55,200.48, 76,135.56 and 35,039.88

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Solution

The fourth proportional to 55,200.48, 76,135.56 and 35,039.88 is: 48,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,200.48 : 76,135.56 = 35,039.88 : x
  2. Step 2: Convert to fraction form
    55,200.48/76,135.56 = 35,039.88/x
  3. Step 3: Cross multiply
    55,200.48x = 76,135.56 × 35,039.88
  4. Step 4: Simplify right side
    55,200.48x = 2,667,780,886.13
  5. Step 5: Solve for x
    x = 2,667,780,886.13/55,200.48
  6. Step 6: Final answer
    x = 48,328.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.