Home / 34,118.21-51,232.89-21,053.63

Finding the Fourth Proportional to 34,118.21, 51,232.89 and 21,053.63

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Solution

The fourth proportional to 34,118.21, 51,232.89 and 21,053.63 is: 31,614.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,118.21 : 51,232.89 = 21,053.63 : x
  2. Step 2: Convert to fraction form
    34,118.21/51,232.89 = 21,053.63/x
  3. Step 3: Cross multiply
    34,118.21x = 51,232.89 × 21,053.63
  4. Step 4: Simplify right side
    34,118.21x = 1,078,638,309.89
  5. Step 5: Solve for x
    x = 1,078,638,309.89/34,118.21
  6. Step 6: Final answer
    x = 31,614.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.