Home / 31,220.85-43,079.94-17,792.67

Finding the Fourth Proportional to 31,220.85, 43,079.94 and 17,792.67

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Solution

The fourth proportional to 31,220.85, 43,079.94 and 17,792.67 is: 24,551.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,220.85 : 43,079.94 = 17,792.67 : x
  2. Step 2: Convert to fraction form
    31,220.85/43,079.94 = 17,792.67/x
  3. Step 3: Cross multiply
    31,220.85x = 43,079.94 × 17,792.67
  4. Step 4: Simplify right side
    31,220.85x = 766,507,156.04
  5. Step 5: Solve for x
    x = 766,507,156.04/31,220.85
  6. Step 6: Final answer
    x = 24,551.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.