Home / 20,792.81-31,191.18-5,800.92

Finding the Fourth Proportional to 20,792.81, 31,191.18 and 5,800.92

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Solution

The fourth proportional to 20,792.81, 31,191.18 and 5,800.92 is: 8,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,792.81 : 31,191.18 = 5,800.92 : x
  2. Step 2: Convert to fraction form
    20,792.81/31,191.18 = 5,800.92/x
  3. Step 3: Cross multiply
    20,792.81x = 31,191.18 × 5,800.92
  4. Step 4: Simplify right side
    20,792.81x = 180,937,510.88
  5. Step 5: Solve for x
    x = 180,937,510.88/20,792.81
  6. Step 6: Final answer
    x = 8,701.93

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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.