Home / 32,991.36-45,485.24-21,033.93

Finding the Fourth Proportional to 32,991.36, 45,485.24 and 21,033.93

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Solution

The fourth proportional to 32,991.36, 45,485.24 and 21,033.93 is: 28,999.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,991.36 : 45,485.24 = 21,033.93 : x
  2. Step 2: Convert to fraction form
    32,991.36/45,485.24 = 21,033.93/x
  3. Step 3: Cross multiply
    32,991.36x = 45,485.24 × 21,033.93
  4. Step 4: Simplify right side
    32,991.36x = 956,733,354.19
  5. Step 5: Solve for x
    x = 956,733,354.19/32,991.36
  6. Step 6: Final answer
    x = 28,999.51

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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.