Home / 35,969.03-49,636.28-20,860.72

Finding the Fourth Proportional to 35,969.03, 49,636.28 and 20,860.72

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Solution

The fourth proportional to 35,969.03, 49,636.28 and 20,860.72 is: 28,787.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,969.03 : 49,636.28 = 20,860.72 : x
  2. Step 2: Convert to fraction form
    35,969.03/49,636.28 = 20,860.72/x
  3. Step 3: Cross multiply
    35,969.03x = 49,636.28 × 20,860.72
  4. Step 4: Simplify right side
    35,969.03x = 1,035,448,628.85
  5. Step 5: Solve for x
    x = 1,035,448,628.85/35,969.03
  6. Step 6: Final answer
    x = 28,787.23

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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.