Home / 42,723.96-64,095.03-14,636.49

Finding the Fourth Proportional to 42,723.96, 64,095.03 and 14,636.49

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Solution

The fourth proportional to 42,723.96, 64,095.03 and 14,636.49 is: 21,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,723.96 : 64,095.03 = 14,636.49 : x
  2. Step 2: Convert to fraction form
    42,723.96/64,095.03 = 14,636.49/x
  3. Step 3: Cross multiply
    42,723.96x = 64,095.03 × 14,636.49
  4. Step 4: Simplify right side
    42,723.96x = 938,126,265.64
  5. Step 5: Solve for x
    x = 938,126,265.64/42,723.96
  6. Step 6: Final answer
    x = 21,957.85

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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.