Home / 38,689.36-53,043.61-37,989.52

Finding the Fourth Proportional to 38,689.36, 53,043.61 and 37,989.52

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Solution

The fourth proportional to 38,689.36, 53,043.61 and 37,989.52 is: 52,084.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,689.36 : 53,043.61 = 37,989.52 : x
  2. Step 2: Convert to fraction form
    38,689.36/53,043.61 = 37,989.52/x
  3. Step 3: Cross multiply
    38,689.36x = 53,043.61 × 37,989.52
  4. Step 4: Simplify right side
    38,689.36x = 2,015,101,282.97
  5. Step 5: Solve for x
    x = 2,015,101,282.97/38,689.36
  6. Step 6: Final answer
    x = 52,084.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.