Home / 45,517.32-68,275.98-14,355

Finding the Fourth Proportional to 45,517.32, 68,275.98 and 14,355

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Solution

The fourth proportional to 45,517.32, 68,275.98 and 14,355 is: 21,532.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,517.32 : 68,275.98 = 14,355 : x
  2. Step 2: Convert to fraction form
    45,517.32/68,275.98 = 14,355/x
  3. Step 3: Cross multiply
    45,517.32x = 68,275.98 × 14,355
  4. Step 4: Simplify right side
    45,517.32x = 980,101,692.90
  5. Step 5: Solve for x
    x = 980,101,692.90/45,517.32
  6. Step 6: Final answer
    x = 21,532.50

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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.