Home / 38,994.54-53,812.46-21,089.54

Finding the Fourth Proportional to 38,994.54, 53,812.46 and 21,089.54

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Solution

The fourth proportional to 38,994.54, 53,812.46 and 21,089.54 is: 29,103.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,994.54 : 53,812.46 = 21,089.54 : x
  2. Step 2: Convert to fraction form
    38,994.54/53,812.46 = 21,089.54/x
  3. Step 3: Cross multiply
    38,994.54x = 53,812.46 × 21,089.54
  4. Step 4: Simplify right side
    38,994.54x = 1,134,880,117.77
  5. Step 5: Solve for x
    x = 1,134,880,117.77/38,994.54
  6. Step 6: Final answer
    x = 29,103.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.