Home / 37,547.20-51,814.38-21,631.24

Finding the Fourth Proportional to 37,547.20, 51,814.38 and 21,631.24

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Solution

The fourth proportional to 37,547.20, 51,814.38 and 21,631.24 is: 29,850.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,547.20 : 51,814.38 = 21,631.24 : x
  2. Step 2: Convert to fraction form
    37,547.20/51,814.38 = 21,631.24/x
  3. Step 3: Cross multiply
    37,547.20x = 51,814.38 × 21,631.24
  4. Step 4: Simplify right side
    37,547.20x = 1,120,809,289.23
  5. Step 5: Solve for x
    x = 1,120,809,289.23/37,547.20
  6. Step 6: Final answer
    x = 29,850.68

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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.