Home / 37,937.52-52,353.80-20,941.78

Finding the Fourth Proportional to 37,937.52, 52,353.80 and 20,941.78

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Solution

The fourth proportional to 37,937.52, 52,353.80 and 20,941.78 is: 28,899.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,937.52 : 52,353.80 = 20,941.78 : x
  2. Step 2: Convert to fraction form
    37,937.52/52,353.80 = 20,941.78/x
  3. Step 3: Cross multiply
    37,937.52x = 52,353.80 × 20,941.78
  4. Step 4: Simplify right side
    37,937.52x = 1,096,381,761.76
  5. Step 5: Solve for x
    x = 1,096,381,761.76/37,937.52
  6. Step 6: Final answer
    x = 28,899.67

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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.