Home / 37,521.84-51,764.09-21,602.91

Finding the Fourth Proportional to 37,521.84, 51,764.09 and 21,602.91

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Solution

The fourth proportional to 37,521.84, 51,764.09 and 21,602.91 is: 29,802.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,521.84 : 51,764.09 = 21,602.91 : x
  2. Step 2: Convert to fraction form
    37,521.84/51,764.09 = 21,602.91/x
  3. Step 3: Cross multiply
    37,521.84x = 51,764.09 × 21,602.91
  4. Step 4: Simplify right side
    37,521.84x = 1,118,254,977.50
  5. Step 5: Solve for x
    x = 1,118,254,977.50/37,521.84
  6. Step 6: Final answer
    x = 29,802.78

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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.