Home / 30,537.38-42,162.14-19,069.76

Finding the Fourth Proportional to 30,537.38, 42,162.14 and 19,069.76

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Solution

The fourth proportional to 30,537.38, 42,162.14 and 19,069.76 is: 26,329.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,537.38 : 42,162.14 = 19,069.76 : x
  2. Step 2: Convert to fraction form
    30,537.38/42,162.14 = 19,069.76/x
  3. Step 3: Cross multiply
    30,537.38x = 42,162.14 × 19,069.76
  4. Step 4: Simplify right side
    30,537.38x = 804,021,890.89
  5. Step 5: Solve for x
    x = 804,021,890.89/30,537.38
  6. Step 6: Final answer
    x = 26,329.11

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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.