Home / 38,870.16-58,305.56-10,792.40

Finding the Fourth Proportional to 38,870.16, 58,305.56 and 10,792.40

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Solution

The fourth proportional to 38,870.16, 58,305.56 and 10,792.40 is: 16,188.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,870.16 : 58,305.56 = 10,792.40 : x
  2. Step 2: Convert to fraction form
    38,870.16/58,305.56 = 10,792.40/x
  3. Step 3: Cross multiply
    38,870.16x = 58,305.56 × 10,792.40
  4. Step 4: Simplify right side
    38,870.16x = 629,257,098.49
  5. Step 5: Solve for x
    x = 629,257,098.49/38,870.16
  6. Step 6: Final answer
    x = 16,188.69

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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.