Home / 38,269.65-52,812.74-21,042.74

Finding the Fourth Proportional to 38,269.65, 52,812.74 and 21,042.74

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Solution

The fourth proportional to 38,269.65, 52,812.74 and 21,042.74 is: 29,039.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,269.65 : 52,812.74 = 21,042.74 : x
  2. Step 2: Convert to fraction form
    38,269.65/52,812.74 = 21,042.74/x
  3. Step 3: Cross multiply
    38,269.65x = 52,812.74 × 21,042.74
  4. Step 4: Simplify right side
    38,269.65x = 1,111,324,644.07
  5. Step 5: Solve for x
    x = 1,111,324,644.07/38,269.65
  6. Step 6: Final answer
    x = 29,039.32

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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.