Home / 30,121.02-41,571.90-28,792.22

Finding the Fourth Proportional to 30,121.02, 41,571.90 and 28,792.22

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Solution

The fourth proportional to 30,121.02, 41,571.90 and 28,792.22 is: 39,737.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121.02 : 41,571.90 = 28,792.22 : x
  2. Step 2: Convert to fraction form
    30,121.02/41,571.90 = 28,792.22/x
  3. Step 3: Cross multiply
    30,121.02x = 41,571.90 × 28,792.22
  4. Step 4: Simplify right side
    30,121.02x = 1,196,947,082.76
  5. Step 5: Solve for x
    x = 1,196,947,082.76/30,121.02
  6. Step 6: Final answer
    x = 39,737.93

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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.