Home / 29,032.74-43,368.93-21,072.06

Finding the Fourth Proportional to 29,032.74, 43,368.93 and 21,072.06

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Solution

The fourth proportional to 29,032.74, 43,368.93 and 21,072.06 is: 31,477.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,032.74 : 43,368.93 = 21,072.06 : x
  2. Step 2: Convert to fraction form
    29,032.74/43,368.93 = 21,072.06/x
  3. Step 3: Cross multiply
    29,032.74x = 43,368.93 × 21,072.06
  4. Step 4: Simplify right side
    29,032.74x = 913,872,695.10
  5. Step 5: Solve for x
    x = 913,872,695.10/29,032.74
  6. Step 6: Final answer
    x = 31,477.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.