Home / 45,970.20-68,953.93-12,692.30

Finding the Fourth Proportional to 45,970.20, 68,953.93 and 12,692.30

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Solution

The fourth proportional to 45,970.20, 68,953.93 and 12,692.30 is: 19,038.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,970.20 : 68,953.93 = 12,692.30 : x
  2. Step 2: Convert to fraction form
    45,970.20/68,953.93 = 12,692.30/x
  3. Step 3: Cross multiply
    45,970.20x = 68,953.93 × 12,692.30
  4. Step 4: Simplify right side
    45,970.20x = 875,183,589.24
  5. Step 5: Solve for x
    x = 875,183,589.24/45,970.20
  6. Step 6: Final answer
    x = 19,038.06

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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.