Home / 31,792.53-47,679.64-12,817.17

Finding the Fourth Proportional to 31,792.53, 47,679.64 and 12,817.17

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Solution

The fourth proportional to 31,792.53, 47,679.64 and 12,817.17 is: 19,222.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,792.53 : 47,679.64 = 12,817.17 : x
  2. Step 2: Convert to fraction form
    31,792.53/47,679.64 = 12,817.17/x
  3. Step 3: Cross multiply
    31,792.53x = 47,679.64 × 12,817.17
  4. Step 4: Simplify right side
    31,792.53x = 611,118,019.38
  5. Step 5: Solve for x
    x = 611,118,019.38/31,792.53
  6. Step 6: Final answer
    x = 19,222.06

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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.