Home / 31,572.14-47,343.63-11,836.58

Finding the Fourth Proportional to 31,572.14, 47,343.63 and 11,836.58

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Solution

The fourth proportional to 31,572.14, 47,343.63 and 11,836.58 is: 17,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,572.14 : 47,343.63 = 11,836.58 : x
  2. Step 2: Convert to fraction form
    31,572.14/47,343.63 = 11,836.58/x
  3. Step 3: Cross multiply
    31,572.14x = 47,343.63 × 11,836.58
  4. Step 4: Simplify right side
    31,572.14x = 560,386,663.99
  5. Step 5: Solve for x
    x = 560,386,663.99/31,572.14
  6. Step 6: Final answer
    x = 17,749.40

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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.