Home / 55,923.39-77,174.25-30,772.89

Finding the Fourth Proportional to 55,923.39, 77,174.25 and 30,772.89

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Solution

The fourth proportional to 55,923.39, 77,174.25 and 30,772.89 is: 42,466.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,923.39 : 77,174.25 = 30,772.89 : x
  2. Step 2: Convert to fraction form
    55,923.39/77,174.25 = 30,772.89/x
  3. Step 3: Cross multiply
    55,923.39x = 77,174.25 × 30,772.89
  4. Step 4: Simplify right side
    55,923.39x = 2,374,874,706.08
  5. Step 5: Solve for x
    x = 2,374,874,706.08/55,923.39
  6. Step 6: Final answer
    x = 42,466.57

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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.