Home / 66,830.36-100,254.75-22,460.55

Finding the Fourth Proportional to 66,830.36, 100,254.75 and 22,460.55

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Solution

The fourth proportional to 66,830.36, 100,254.75 and 22,460.55 is: 33,693.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,830.36 : 100,254.75 = 22,460.55 : x
  2. Step 2: Convert to fraction form
    66,830.36/100,254.75 = 22,460.55/x
  3. Step 3: Cross multiply
    66,830.36x = 100,254.75 × 22,460.55
  4. Step 4: Simplify right side
    66,830.36x = 2,251,776,364.93
  5. Step 5: Solve for x
    x = 2,251,776,364.93/66,830.36
  6. Step 6: Final answer
    x = 33,693.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.