Home / 38,792.17-58,134-20,984.38

Finding the Fourth Proportional to 38,792.17, 58,134 and 20,984.38

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Solution

The fourth proportional to 38,792.17, 58,134 and 20,984.38 is: 31,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,792.17 : 58,134 = 20,984.38 : x
  2. Step 2: Convert to fraction form
    38,792.17/58,134 = 20,984.38/x
  3. Step 3: Cross multiply
    38,792.17x = 58,134 × 20,984.38
  4. Step 4: Simplify right side
    38,792.17x = 1,219,905,946.92
  5. Step 5: Solve for x
    x = 1,219,905,946.92/38,792.17
  6. Step 6: Final answer
    x = 31,447.22

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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.