Home / 32,160.12-44,361.60-21,258.32

Finding the Fourth Proportional to 32,160.12, 44,361.60 and 21,258.32

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Solution

The fourth proportional to 32,160.12, 44,361.60 and 21,258.32 is: 29,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,160.12 : 44,361.60 = 21,258.32 : x
  2. Step 2: Convert to fraction form
    32,160.12/44,361.60 = 21,258.32/x
  3. Step 3: Cross multiply
    32,160.12x = 44,361.60 × 21,258.32
  4. Step 4: Simplify right side
    32,160.12x = 943,053,088.51
  5. Step 5: Solve for x
    x = 943,053,088.51/32,160.12
  6. Step 6: Final answer
    x = 29,323.68

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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.