Home / 42,448.84-63,642.76-19,946.84

Finding the Fourth Proportional to 42,448.84, 63,642.76 and 19,946.84

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Solution

The fourth proportional to 42,448.84, 63,642.76 and 19,946.84 is: 29,905.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,448.84 : 63,642.76 = 19,946.84 : x
  2. Step 2: Convert to fraction form
    42,448.84/63,642.76 = 19,946.84/x
  3. Step 3: Cross multiply
    42,448.84x = 63,642.76 × 19,946.84
  4. Step 4: Simplify right side
    42,448.84x = 1,269,471,950.88
  5. Step 5: Solve for x
    x = 1,269,471,950.88/42,448.84
  6. Step 6: Final answer
    x = 29,905.93

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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.