Home / 31,073.03-42,881.07-17,644.57

Finding the Fourth Proportional to 31,073.03, 42,881.07 and 17,644.57

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Solution

The fourth proportional to 31,073.03, 42,881.07 and 17,644.57 is: 24,349.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,073.03 : 42,881.07 = 17,644.57 : x
  2. Step 2: Convert to fraction form
    31,073.03/42,881.07 = 17,644.57/x
  3. Step 3: Cross multiply
    31,073.03x = 42,881.07 × 17,644.57
  4. Step 4: Simplify right side
    31,073.03x = 756,618,041.29
  5. Step 5: Solve for x
    x = 756,618,041.29/31,073.03
  6. Step 6: Final answer
    x = 24,349.67

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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.