Home / 47,639.88-71,463.06-14,356.98

Finding the Fourth Proportional to 47,639.88, 71,463.06 and 14,356.98

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Solution

The fourth proportional to 47,639.88, 71,463.06 and 14,356.98 is: 21,536.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,639.88 : 71,463.06 = 14,356.98 : x
  2. Step 2: Convert to fraction form
    47,639.88/71,463.06 = 14,356.98/x
  3. Step 3: Cross multiply
    47,639.88x = 71,463.06 × 14,356.98
  4. Step 4: Simplify right side
    47,639.88x = 1,025,993,723.16
  5. Step 5: Solve for x
    x = 1,025,993,723.16/47,639.88
  6. Step 6: Final answer
    x = 21,536.45

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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.