Home / 37,477.76-51,720.28-20,482.72

Finding the Fourth Proportional to 37,477.76, 51,720.28 and 20,482.72

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Solution

The fourth proportional to 37,477.76, 51,720.28 and 20,482.72 is: 28,266.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,477.76 : 51,720.28 = 20,482.72 : x
  2. Step 2: Convert to fraction form
    37,477.76/51,720.28 = 20,482.72/x
  3. Step 3: Cross multiply
    37,477.76x = 51,720.28 × 20,482.72
  4. Step 4: Simplify right side
    37,477.76x = 1,059,372,013.56
  5. Step 5: Solve for x
    x = 1,059,372,013.56/37,477.76
  6. Step 6: Final answer
    x = 28,266.68

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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.