Home / 38,689.04-53,043.17-37,989.20

Finding the Fourth Proportional to 38,689.04, 53,043.17 and 37,989.20

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Solution

The fourth proportional to 38,689.04, 53,043.17 and 37,989.20 is: 52,083.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,689.04 : 53,043.17 = 37,989.20 : x
  2. Step 2: Convert to fraction form
    38,689.04/53,043.17 = 37,989.20/x
  3. Step 3: Cross multiply
    38,689.04x = 53,043.17 × 37,989.20
  4. Step 4: Simplify right side
    38,689.04x = 2,015,067,821.34
  5. Step 5: Solve for x
    x = 2,015,067,821.34/38,689.04
  6. Step 6: Final answer
    x = 52,083.68

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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.