Home / 47,308.79-70,968.68-15,721.67

Finding the Fourth Proportional to 47,308.79, 70,968.68 and 15,721.67

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Solution

The fourth proportional to 47,308.79, 70,968.68 and 15,721.67 is: 23,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,308.79 : 70,968.68 = 15,721.67 : x
  2. Step 2: Convert to fraction form
    47,308.79/70,968.68 = 15,721.67/x
  3. Step 3: Cross multiply
    47,308.79x = 70,968.68 × 15,721.67
  4. Step 4: Simplify right side
    47,308.79x = 1,115,746,088.69
  5. Step 5: Solve for x
    x = 1,115,746,088.69/47,308.79
  6. Step 6: Final answer
    x = 23,584.33

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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.