Home / 30,154.06-41,615.15-16,729.63

Finding the Fourth Proportional to 30,154.06, 41,615.15 and 16,729.63

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Solution

The fourth proportional to 30,154.06, 41,615.15 and 16,729.63 is: 23,088.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154.06 : 41,615.15 = 16,729.63 : x
  2. Step 2: Convert to fraction form
    30,154.06/41,615.15 = 16,729.63/x
  3. Step 3: Cross multiply
    30,154.06x = 41,615.15 × 16,729.63
  4. Step 4: Simplify right side
    30,154.06x = 696,206,061.89
  5. Step 5: Solve for x
    x = 696,206,061.89/30,154.06
  6. Step 6: Final answer
    x = 23,088.30

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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.