Home / 60,129.29-90,168.53-18,015.34

Finding the Fourth Proportional to 60,129.29, 90,168.53 and 18,015.34

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Solution

The fourth proportional to 60,129.29, 90,168.53 and 18,015.34 is: 27,015.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,129.29 : 90,168.53 = 18,015.34 : x
  2. Step 2: Convert to fraction form
    60,129.29/90,168.53 = 18,015.34/x
  3. Step 3: Cross multiply
    60,129.29x = 90,168.53 × 18,015.34
  4. Step 4: Simplify right side
    60,129.29x = 1,624,416,401.22
  5. Step 5: Solve for x
    x = 1,624,416,401.22/60,129.29
  6. Step 6: Final answer
    x = 27,015.39

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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.