Home / 30,135.47-41,586.75-16,706.72

Finding the Fourth Proportional to 30,135.47, 41,586.75 and 16,706.72

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Solution

The fourth proportional to 30,135.47, 41,586.75 and 16,706.72 is: 23,055.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,135.47 : 41,586.75 = 16,706.72 : x
  2. Step 2: Convert to fraction form
    30,135.47/41,586.75 = 16,706.72/x
  3. Step 3: Cross multiply
    30,135.47x = 41,586.75 × 16,706.72
  4. Step 4: Simplify right side
    30,135.47x = 694,778,291.93
  5. Step 5: Solve for x
    x = 694,778,291.93/30,135.47
  6. Step 6: Final answer
    x = 23,055.17

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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.