Home / 35,611.13-49,155.73-20,509.82

Finding the Fourth Proportional to 35,611.13, 49,155.73 and 20,509.82

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Solution

The fourth proportional to 35,611.13, 49,155.73 and 20,509.82 is: 28,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,611.13 : 49,155.73 = 20,509.82 : x
  2. Step 2: Convert to fraction form
    35,611.13/49,155.73 = 20,509.82/x
  3. Step 3: Cross multiply
    35,611.13x = 49,155.73 × 20,509.82
  4. Step 4: Simplify right side
    35,611.13x = 1,008,175,061.55
  5. Step 5: Solve for x
    x = 1,008,175,061.55/35,611.13
  6. Step 6: Final answer
    x = 28,310.67

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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.