Home / 30,537.24-45,791.64-17,890.80

Finding the Fourth Proportional to 30,537.24, 45,791.64 and 17,890.80

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Solution

The fourth proportional to 30,537.24, 45,791.64 and 17,890.80 is: 26,827.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,537.24 : 45,791.64 = 17,890.80 : x
  2. Step 2: Convert to fraction form
    30,537.24/45,791.64 = 17,890.80/x
  3. Step 3: Cross multiply
    30,537.24x = 45,791.64 × 17,890.80
  4. Step 4: Simplify right side
    30,537.24x = 819,249,072.91
  5. Step 5: Solve for x
    x = 819,249,072.91/30,537.24
  6. Step 6: Final answer
    x = 26,827.87

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1.5x scale

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.