Home / 38,988.52-53,804.12-21,083.48

Finding the Fourth Proportional to 38,988.52, 53,804.12 and 21,083.48

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Solution

The fourth proportional to 38,988.52, 53,804.12 and 21,083.48 is: 29,095.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,988.52 : 53,804.12 = 21,083.48 : x
  2. Step 2: Convert to fraction form
    38,988.52/53,804.12 = 21,083.48/x
  3. Step 3: Cross multiply
    38,988.52x = 53,804.12 × 21,083.48
  4. Step 4: Simplify right side
    38,988.52x = 1,134,378,087.94
  5. Step 5: Solve for x
    x = 1,134,378,087.94/38,988.52
  6. Step 6: Final answer
    x = 29,095.18

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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.