Home / 31,792.02-43,862.84-18,361.50

Finding the Fourth Proportional to 31,792.02, 43,862.84 and 18,361.50

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Solution

The fourth proportional to 31,792.02, 43,862.84 and 18,361.50 is: 25,333.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,792.02 : 43,862.84 = 18,361.50 : x
  2. Step 2: Convert to fraction form
    31,792.02/43,862.84 = 18,361.50/x
  3. Step 3: Cross multiply
    31,792.02x = 43,862.84 × 18,361.50
  4. Step 4: Simplify right side
    31,792.02x = 805,387,536.66
  5. Step 5: Solve for x
    x = 805,387,536.66/31,792.02
  6. Step 6: Final answer
    x = 25,333.01

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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.