Home / 31,176.51-43,023.63-17,747.76

Finding the Fourth Proportional to 31,176.51, 43,023.63 and 17,747.76

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Solution

The fourth proportional to 31,176.51, 43,023.63 and 17,747.76 is: 24,491.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,176.51 : 43,023.63 = 17,747.76 : x
  2. Step 2: Convert to fraction form
    31,176.51/43,023.63 = 17,747.76/x
  3. Step 3: Cross multiply
    31,176.51x = 43,023.63 × 17,747.76
  4. Step 4: Simplify right side
    31,176.51x = 763,573,287.46
  5. Step 5: Solve for x
    x = 763,573,287.46/31,176.51
  6. Step 6: Final answer
    x = 24,491.95

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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.