Home / 51,378.72-77,058.36-16,318.68

Finding the Fourth Proportional to 51,378.72, 77,058.36 and 16,318.68

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Solution

The fourth proportional to 51,378.72, 77,058.36 and 16,318.68 is: 24,474.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,378.72 : 77,058.36 = 16,318.68 : x
  2. Step 2: Convert to fraction form
    51,378.72/77,058.36 = 16,318.68/x
  3. Step 3: Cross multiply
    51,378.72x = 77,058.36 × 16,318.68
  4. Step 4: Simplify right side
    51,378.72x = 1,257,490,718.16
  5. Step 5: Solve for x
    x = 1,257,490,718.16/51,378.72
  6. Step 6: Final answer
    x = 24,474.93

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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.