Home / 55,576.19-76,695.15-30,425.69

Finding the Fourth Proportional to 55,576.19, 76,695.15 and 30,425.69

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Solution

The fourth proportional to 55,576.19, 76,695.15 and 30,425.69 is: 41,987.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,576.19 : 76,695.15 = 30,425.69 : x
  2. Step 2: Convert to fraction form
    55,576.19/76,695.15 = 30,425.69/x
  3. Step 3: Cross multiply
    55,576.19x = 76,695.15 × 30,425.69
  4. Step 4: Simplify right side
    55,576.19x = 2,333,502,858.40
  5. Step 5: Solve for x
    x = 2,333,502,858.40/55,576.19
  6. Step 6: Final answer
    x = 41,987.46

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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.