Home / 55,228.32-76,212.48-30,077.76

Finding the Fourth Proportional to 55,228.32, 76,212.48 and 30,077.76

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Solution

The fourth proportional to 55,228.32, 76,212.48 and 30,077.76 is: 41,505.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,228.32 : 76,212.48 = 30,077.76 : x
  2. Step 2: Convert to fraction form
    55,228.32/76,212.48 = 30,077.76/x
  3. Step 3: Cross multiply
    55,228.32x = 76,212.48 × 30,077.76
  4. Step 4: Simplify right side
    55,228.32x = 2,292,300,682.44
  5. Step 5: Solve for x
    x = 2,292,300,682.44/55,228.32
  6. Step 6: Final answer
    x = 41,505.89

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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.