Home / 31,440.52-43,383.14-17,827.81

Finding the Fourth Proportional to 31,440.52, 43,383.14 and 17,827.81

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Solution

The fourth proportional to 31,440.52, 43,383.14 and 17,827.81 is: 24,599.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,440.52 : 43,383.14 = 17,827.81 : x
  2. Step 2: Convert to fraction form
    31,440.52/43,383.14 = 17,827.81/x
  3. Step 3: Cross multiply
    31,440.52x = 43,383.14 × 17,827.81
  4. Step 4: Simplify right side
    31,440.52x = 773,426,590.69
  5. Step 5: Solve for x
    x = 773,426,590.69/31,440.52
  6. Step 6: Final answer
    x = 24,599.67

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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.