Home / 42,217-63,325.56-14,515

Finding the Fourth Proportional to 42,217, 63,325.56 and 14,515

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Solution

The fourth proportional to 42,217, 63,325.56 and 14,515 is: 21,772.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,217 : 63,325.56 = 14,515 : x
  2. Step 2: Convert to fraction form
    42,217/63,325.56 = 14,515/x
  3. Step 3: Cross multiply
    42,217x = 63,325.56 × 14,515
  4. Step 4: Simplify right side
    42,217x = 919,170,503.40
  5. Step 5: Solve for x
    x = 919,170,503.40/42,217
  6. Step 6: Final answer
    x = 21,772.52

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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.