Home / 37,763.17-52,114.51-20,768.72

Finding the Fourth Proportional to 37,763.17, 52,114.51 and 20,768.72

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Solution

The fourth proportional to 37,763.17, 52,114.51 and 20,768.72 is: 28,661.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,763.17 : 52,114.51 = 20,768.72 : x
  2. Step 2: Convert to fraction form
    37,763.17/52,114.51 = 20,768.72/x
  3. Step 3: Cross multiply
    37,763.17x = 52,114.51 × 20,768.72
  4. Step 4: Simplify right side
    37,763.17x = 1,082,351,744.49
  5. Step 5: Solve for x
    x = 1,082,351,744.49/37,763.17
  6. Step 6: Final answer
    x = 28,661.57

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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.