Home / 39,072.72-58,611.84-15,699.18

Finding the Fourth Proportional to 39,072.72, 58,611.84 and 15,699.18

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Solution

The fourth proportional to 39,072.72, 58,611.84 and 15,699.18 is: 23,549.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,072.72 : 58,611.84 = 15,699.18 : x
  2. Step 2: Convert to fraction form
    39,072.72/58,611.84 = 15,699.18/x
  3. Step 3: Cross multiply
    39,072.72x = 58,611.84 × 15,699.18
  4. Step 4: Simplify right side
    39,072.72x = 920,157,826.29
  5. Step 5: Solve for x
    x = 920,157,826.29/39,072.72
  6. Step 6: Final answer
    x = 23,549.88

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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.