Home / 37,068.31-51,157.92-21,155.14

Finding the Fourth Proportional to 37,068.31, 51,157.92 and 21,155.14

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Solution

The fourth proportional to 37,068.31, 51,157.92 and 21,155.14 is: 29,196.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,068.31 : 51,157.92 = 21,155.14 : x
  2. Step 2: Convert to fraction form
    37,068.31/51,157.92 = 21,155.14/x
  3. Step 3: Cross multiply
    37,068.31x = 51,157.92 × 21,155.14
  4. Step 4: Simplify right side
    37,068.31x = 1,082,252,703.92
  5. Step 5: Solve for x
    x = 1,082,252,703.92/37,068.31
  6. Step 6: Final answer
    x = 29,196.17

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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.