Home / 39,870.50-59,764.70-17,694.32

Finding the Fourth Proportional to 39,870.50, 59,764.70 and 17,694.32

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Solution

The fourth proportional to 39,870.50, 59,764.70 and 17,694.32 is: 26,523.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,870.50 : 59,764.70 = 17,694.32 : x
  2. Step 2: Convert to fraction form
    39,870.50/59,764.70 = 17,694.32/x
  3. Step 3: Cross multiply
    39,870.50x = 59,764.70 × 17,694.32
  4. Step 4: Simplify right side
    39,870.50x = 1,057,495,471.92
  5. Step 5: Solve for x
    x = 1,057,495,471.92/39,870.50
  6. Step 6: Final answer
    x = 26,523.26

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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.