Home / 43,465.01-65,192.07-13,880.39

Finding the Fourth Proportional to 43,465.01, 65,192.07 and 13,880.39

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Solution

The fourth proportional to 43,465.01, 65,192.07 and 13,880.39 is: 20,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,465.01 : 65,192.07 = 13,880.39 : x
  2. Step 2: Convert to fraction form
    43,465.01/65,192.07 = 13,880.39/x
  3. Step 3: Cross multiply
    43,465.01x = 65,192.07 × 13,880.39
  4. Step 4: Simplify right side
    43,465.01x = 904,891,356.51
  5. Step 5: Solve for x
    x = 904,891,356.51/43,465.01
  6. Step 6: Final answer
    x = 20,818.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.