Home / 42,204.42-63,313.67-18,829.98

Finding the Fourth Proportional to 42,204.42, 63,313.67 and 18,829.98

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Solution

The fourth proportional to 42,204.42, 63,313.67 and 18,829.98 is: 28,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,204.42 : 63,313.67 = 18,829.98 : x
  2. Step 2: Convert to fraction form
    42,204.42/63,313.67 = 18,829.98/x
  3. Step 3: Cross multiply
    42,204.42x = 63,313.67 × 18,829.98
  4. Step 4: Simplify right side
    42,204.42x = 1,192,195,139.83
  5. Step 5: Solve for x
    x = 1,192,195,139.83/42,204.42
  6. Step 6: Final answer
    x = 28,248.11

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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.