Home / 38,911.50-58,356.62-13,946.90

Finding the Fourth Proportional to 38,911.50, 58,356.62 and 13,946.90

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Solution

The fourth proportional to 38,911.50, 58,356.62 and 13,946.90 is: 20,916.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,911.50 : 58,356.62 = 13,946.90 : x
  2. Step 2: Convert to fraction form
    38,911.50/58,356.62 = 13,946.90/x
  3. Step 3: Cross multiply
    38,911.50x = 58,356.62 × 13,946.90
  4. Step 4: Simplify right side
    38,911.50x = 813,893,634.26
  5. Step 5: Solve for x
    x = 813,893,634.26/38,911.50
  6. Step 6: Final answer
    x = 20,916.53

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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.