Home / 45,779.77-68,680.36-14,188.18

Finding the Fourth Proportional to 45,779.77, 68,680.36 and 14,188.18

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Solution

The fourth proportional to 45,779.77, 68,680.36 and 14,188.18 is: 21,285.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,779.77 : 68,680.36 = 14,188.18 : x
  2. Step 2: Convert to fraction form
    45,779.77/68,680.36 = 14,188.18/x
  3. Step 3: Cross multiply
    45,779.77x = 68,680.36 × 14,188.18
  4. Step 4: Simplify right side
    45,779.77x = 974,449,310.14
  5. Step 5: Solve for x
    x = 974,449,310.14/45,779.77
  6. Step 6: Final answer
    x = 21,285.59

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1.5x scale

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.