Home / 58,821.47-81,172.00-31,963.09

Finding the Fourth Proportional to 58,821.47, 81,172.00 and 31,963.09

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Solution

The fourth proportional to 58,821.47, 81,172.00 and 31,963.09 is: 44,108.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,821.47 : 81,172.00 = 31,963.09 : x
  2. Step 2: Convert to fraction form
    58,821.47/81,172.00 = 31,963.09/x
  3. Step 3: Cross multiply
    58,821.47x = 81,172.00 × 31,963.09
  4. Step 4: Simplify right side
    58,821.47x = 2,594,507,840.81
  5. Step 5: Solve for x
    x = 2,594,507,840.81/58,821.47
  6. Step 6: Final answer
    x = 44,108.17

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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.