Home / 44,540.47-66,915.21-42,018.53

Finding the Fourth Proportional to 44,540.47, 66,915.21 and 42,018.53

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Solution

The fourth proportional to 44,540.47, 66,915.21 and 42,018.53 is: 63,126.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,540.47 : 66,915.21 = 42,018.53 : x
  2. Step 2: Convert to fraction form
    44,540.47/66,915.21 = 42,018.53/x
  3. Step 3: Cross multiply
    44,540.47x = 66,915.21 × 42,018.53
  4. Step 4: Simplify right side
    44,540.47x = 2,811,678,758.84
  5. Step 5: Solve for x
    x = 2,811,678,758.84/44,540.47
  6. Step 6: Final answer
    x = 63,126.39

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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.