Home / 45,588.96-68,341.92-15,990.72

Finding the Fourth Proportional to 45,588.96, 68,341.92 and 15,990.72

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Solution

The fourth proportional to 45,588.96, 68,341.92 and 15,990.72 is: 23,971.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,588.96 : 68,341.92 = 15,990.72 : x
  2. Step 2: Convert to fraction form
    45,588.96/68,341.92 = 15,990.72/x
  3. Step 3: Cross multiply
    45,588.96x = 68,341.92 × 15,990.72
  4. Step 4: Simplify right side
    45,588.96x = 1,092,836,506.98
  5. Step 5: Solve for x
    x = 1,092,836,506.98/45,588.96
  6. Step 6: Final answer
    x = 23,971.52

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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.