Home / 51,220.23-76,827.57-19,645.43

Finding the Fourth Proportional to 51,220.23, 76,827.57 and 19,645.43

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Solution

The fourth proportional to 51,220.23, 76,827.57 and 19,645.43 is: 29,467.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,220.23 : 76,827.57 = 19,645.43 : x
  2. Step 2: Convert to fraction form
    51,220.23/76,827.57 = 19,645.43/x
  3. Step 3: Cross multiply
    51,220.23x = 76,827.57 × 19,645.43
  4. Step 4: Simplify right side
    51,220.23x = 1,509,310,264.37
  5. Step 5: Solve for x
    x = 1,509,310,264.37/51,220.23
  6. Step 6: Final answer
    x = 29,467.07

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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.