Home / 31,964.79-47,970.89-25,798.67

Finding the Fourth Proportional to 31,964.79, 47,970.89 and 25,798.67

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Solution

The fourth proportional to 31,964.79, 47,970.89 and 25,798.67 is: 38,717.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,964.79 : 47,970.89 = 25,798.67 : x
  2. Step 2: Convert to fraction form
    31,964.79/47,970.89 = 25,798.67/x
  3. Step 3: Cross multiply
    31,964.79x = 47,970.89 × 25,798.67
  4. Step 4: Simplify right side
    31,964.79x = 1,237,584,791.87
  5. Step 5: Solve for x
    x = 1,237,584,791.87/31,964.79
  6. Step 6: Final answer
    x = 38,717.13

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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.