Home / 37,291.48-51,450.64-21,156.12

Finding the Fourth Proportional to 37,291.48, 51,450.64 and 21,156.12

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Solution

The fourth proportional to 37,291.48, 51,450.64 and 21,156.12 is: 29,188.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,291.48 : 51,450.64 = 21,156.12 : x
  2. Step 2: Convert to fraction form
    37,291.48/51,450.64 = 21,156.12/x
  3. Step 3: Cross multiply
    37,291.48x = 51,450.64 × 21,156.12
  4. Step 4: Simplify right side
    37,291.48x = 1,088,495,861.03
  5. Step 5: Solve for x
    x = 1,088,495,861.03/37,291.48
  6. Step 6: Final answer
    x = 29,188.86

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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.