Home / 42,715.22-64,066.26-14,252.68

Finding the Fourth Proportional to 42,715.22, 64,066.26 and 14,252.68

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Solution

The fourth proportional to 42,715.22, 64,066.26 and 14,252.68 is: 21,376.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,715.22 : 64,066.26 = 14,252.68 : x
  2. Step 2: Convert to fraction form
    42,715.22/64,066.26 = 14,252.68/x
  3. Step 3: Cross multiply
    42,715.22x = 64,066.26 × 14,252.68
  4. Step 4: Simplify right side
    42,715.22x = 913,115,902.58
  5. Step 5: Solve for x
    x = 913,115,902.58/42,715.22
  6. Step 6: Final answer
    x = 21,376.83

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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.