Home / 30,122.51-41,569.06-16,695.78

Finding the Fourth Proportional to 30,122.51, 41,569.06 and 16,695.78

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Solution

The fourth proportional to 30,122.51, 41,569.06 and 16,695.78 is: 23,040.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,122.51 : 41,569.06 = 16,695.78 : x
  2. Step 2: Convert to fraction form
    30,122.51/41,569.06 = 16,695.78/x
  3. Step 3: Cross multiply
    30,122.51x = 41,569.06 × 16,695.78
  4. Step 4: Simplify right side
    30,122.51x = 694,027,898.48
  5. Step 5: Solve for x
    x = 694,027,898.48/30,122.51
  6. Step 6: Final answer
    x = 23,040.18

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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.