Home / 47,206.05-70,792.76-20,929.17

Finding the Fourth Proportional to 47,206.05, 70,792.76 and 20,929.17

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Solution

The fourth proportional to 47,206.05, 70,792.76 and 20,929.17 is: 31,386.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,206.05 : 70,792.76 = 20,929.17 : x
  2. Step 2: Convert to fraction form
    47,206.05/70,792.76 = 20,929.17/x
  3. Step 3: Cross multiply
    47,206.05x = 70,792.76 × 20,929.17
  4. Step 4: Simplify right side
    47,206.05x = 1,481,633,604.16
  5. Step 5: Solve for x
    x = 1,481,633,604.16/47,206.05
  6. Step 6: Final answer
    x = 31,386.52

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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.