Home / 37,488.96-51,730.92-21,570.30

Finding the Fourth Proportional to 37,488.96, 51,730.92 and 21,570.30

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Solution

The fourth proportional to 37,488.96, 51,730.92 and 21,570.30 is: 29,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,488.96 : 51,730.92 = 21,570.30 : x
  2. Step 2: Convert to fraction form
    37,488.96/51,730.92 = 21,570.30/x
  3. Step 3: Cross multiply
    37,488.96x = 51,730.92 × 21,570.30
  4. Step 4: Simplify right side
    37,488.96x = 1,115,851,463.68
  5. Step 5: Solve for x
    x = 1,115,851,463.68/37,488.96
  6. Step 6: Final answer
    x = 29,764.80

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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.