Home / 55,667.52-76,820.48-30,516.48

Finding the Fourth Proportional to 55,667.52, 76,820.48 and 30,516.48

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Solution

The fourth proportional to 55,667.52, 76,820.48 and 30,516.48 is: 42,112.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,667.52 : 76,820.48 = 30,516.48 : x
  2. Step 2: Convert to fraction form
    55,667.52/76,820.48 = 30,516.48/x
  3. Step 3: Cross multiply
    55,667.52x = 76,820.48 × 30,516.48
  4. Step 4: Simplify right side
    55,667.52x = 2,344,290,641.51
  5. Step 5: Solve for x
    x = 2,344,290,641.51/55,667.52
  6. Step 6: Final answer
    x = 42,112.36

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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.