Home / 38,249,274.92-57,390,815.16-20,049,118.33

Finding the Fourth Proportional to 38,249,274.92, 57,390,815.16 and 20,049,118.33

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Solution

The fourth proportional to 38,249,274.92, 57,390,815.16 and 20,049,118.33 is: 30,082,537.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,249,274.92 : 57,390,815.16 = 20,049,118.33 : x
  2. Step 2: Convert to fraction form
    38,249,274.92/57,390,815.16 = 20,049,118.33/x
  3. Step 3: Cross multiply
    38,249,274.92x = 57,390,815.16 × 20,049,118.33
  4. Step 4: Simplify right side
    38,249,274.92x = 1,150,635,244,105,710.25
  5. Step 5: Solve for x
    x = 1,150,635,244,105,710.25/38,249,274.92
  6. Step 6: Final answer
    x = 30,082,537.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.