Home / 38,925.41-53,705.94-21,923.70

Finding the Fourth Proportional to 38,925.41, 53,705.94 and 21,923.70

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Solution

The fourth proportional to 38,925.41, 53,705.94 and 21,923.70 is: 30,248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,925.41 : 53,705.94 = 21,923.70 : x
  2. Step 2: Convert to fraction form
    38,925.41/53,705.94 = 21,923.70/x
  3. Step 3: Cross multiply
    38,925.41x = 53,705.94 × 21,923.70
  4. Step 4: Simplify right side
    38,925.41x = 1,177,432,916.78
  5. Step 5: Solve for x
    x = 1,177,432,916.78/38,925.41
  6. Step 6: Final answer
    x = 30,248.44

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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.