Home / 66,814.18-100,223.70-22,442.38

Finding the Fourth Proportional to 66,814.18, 100,223.70 and 22,442.38

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Solution

The fourth proportional to 66,814.18, 100,223.70 and 22,442.38 is: 33,664.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,814.18 : 100,223.70 = 22,442.38 : x
  2. Step 2: Convert to fraction form
    66,814.18/100,223.70 = 22,442.38/x
  3. Step 3: Cross multiply
    66,814.18x = 100,223.70 × 22,442.38
  4. Step 4: Simplify right side
    66,814.18x = 2,249,258,360.41
  5. Step 5: Solve for x
    x = 2,249,258,360.41/66,814.18
  6. Step 6: Final answer
    x = 33,664.39

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1.5x scale

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.