Home / 38,474.40-53,085.60-21,704.16

Finding the Fourth Proportional to 38,474.40, 53,085.60 and 21,704.16

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Solution

The fourth proportional to 38,474.40, 53,085.60 and 21,704.16 is: 29,946.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,474.40 : 53,085.60 = 21,704.16 : x
  2. Step 2: Convert to fraction form
    38,474.40/53,085.60 = 21,704.16/x
  3. Step 3: Cross multiply
    38,474.40x = 53,085.60 × 21,704.16
  4. Step 4: Simplify right side
    38,474.40x = 1,152,178,356.10
  5. Step 5: Solve for x
    x = 1,152,178,356.10/38,474.40
  6. Step 6: Final answer
    x = 29,946.62

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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.