Home / 37,448.78-51,679.65-21,315.29

Finding the Fourth Proportional to 37,448.78, 51,679.65 and 21,315.29

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Solution

The fourth proportional to 37,448.78, 51,679.65 and 21,315.29 is: 29,415.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,448.78 : 51,679.65 = 21,315.29 : x
  2. Step 2: Convert to fraction form
    37,448.78/51,679.65 = 21,315.29/x
  3. Step 3: Cross multiply
    37,448.78x = 51,679.65 × 21,315.29
  4. Step 4: Simplify right side
    37,448.78x = 1,101,566,468.45
  5. Step 5: Solve for x
    x = 1,101,566,468.45/37,448.78
  6. Step 6: Final answer
    x = 29,415.29

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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.