Home / 42,519.84-63,760.32-14,811.36

Finding the Fourth Proportional to 42,519.84, 63,760.32 and 14,811.36

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Solution

The fourth proportional to 42,519.84, 63,760.32 and 14,811.36 is: 22,210.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,519.84 : 63,760.32 = 14,811.36 : x
  2. Step 2: Convert to fraction form
    42,519.84/63,760.32 = 14,811.36/x
  3. Step 3: Cross multiply
    42,519.84x = 63,760.32 × 14,811.36
  4. Step 4: Simplify right side
    42,519.84x = 944,377,053.24
  5. Step 5: Solve for x
    x = 944,377,053.24/42,519.84
  6. Step 6: Final answer
    x = 22,210.27

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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.