Home / 42,647.94-63,979.20-14,566.46

Finding the Fourth Proportional to 42,647.94, 63,979.20 and 14,566.46

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Solution

The fourth proportional to 42,647.94, 63,979.20 and 14,566.46 is: 21,852.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,647.94 : 63,979.20 = 14,566.46 : x
  2. Step 2: Convert to fraction form
    42,647.94/63,979.20 = 14,566.46/x
  3. Step 3: Cross multiply
    42,647.94x = 63,979.20 × 14,566.46
  4. Step 4: Simplify right side
    42,647.94x = 931,950,137.74
  5. Step 5: Solve for x
    x = 931,950,137.74/42,647.94
  6. Step 6: Final answer
    x = 21,852.17

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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.