Home / 38,696.86-53,400.76-21,701.17

Finding the Fourth Proportional to 38,696.86, 53,400.76 and 21,701.17

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Solution

The fourth proportional to 38,696.86, 53,400.76 and 21,701.17 is: 29,947.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,696.86 : 53,400.76 = 21,701.17 : x
  2. Step 2: Convert to fraction form
    38,696.86/53,400.76 = 21,701.17/x
  3. Step 3: Cross multiply
    38,696.86x = 53,400.76 × 21,701.17
  4. Step 4: Simplify right side
    38,696.86x = 1,158,858,970.89
  5. Step 5: Solve for x
    x = 1,158,858,970.89/38,696.86
  6. Step 6: Final answer
    x = 29,947.11

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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.