Home / 31,376.34-43,299.59-17,946.77

Finding the Fourth Proportional to 31,376.34, 43,299.59 and 17,946.77

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Solution

The fourth proportional to 31,376.34, 43,299.59 and 17,946.77 is: 24,766.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,376.34 : 43,299.59 = 17,946.77 : x
  2. Step 2: Convert to fraction form
    31,376.34/43,299.59 = 17,946.77/x
  3. Step 3: Cross multiply
    31,376.34x = 43,299.59 × 17,946.77
  4. Step 4: Simplify right side
    31,376.34x = 777,087,476.59
  5. Step 5: Solve for x
    x = 777,087,476.59/31,376.34
  6. Step 6: Final answer
    x = 24,766.67

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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.