Home / 37,766.90-52,117.21-20,771.21

Finding the Fourth Proportional to 37,766.90, 52,117.21 and 20,771.21

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Solution

The fourth proportional to 37,766.90, 52,117.21 and 20,771.21 is: 28,663.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,766.90 : 52,117.21 = 20,771.21 : x
  2. Step 2: Convert to fraction form
    37,766.90/52,117.21 = 20,771.21/x
  3. Step 3: Cross multiply
    37,766.90x = 52,117.21 × 20,771.21
  4. Step 4: Simplify right side
    37,766.90x = 1,082,537,513.52
  5. Step 5: Solve for x
    x = 1,082,537,513.52/37,766.90
  6. Step 6: Final answer
    x = 28,663.66

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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.