Home / 42,372.54-63,519.55-15,703.67

Finding the Fourth Proportional to 42,372.54, 63,519.55 and 15,703.67

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Solution

The fourth proportional to 42,372.54, 63,519.55 and 15,703.67 is: 23,540.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,372.54 : 63,519.55 = 15,703.67 : x
  2. Step 2: Convert to fraction form
    42,372.54/63,519.55 = 15,703.67/x
  3. Step 3: Cross multiply
    42,372.54x = 63,519.55 × 15,703.67
  4. Step 4: Simplify right side
    42,372.54x = 997,490,171.29
  5. Step 5: Solve for x
    x = 997,490,171.29/42,372.54
  6. Step 6: Final answer
    x = 23,540.96

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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.