Home / 58,828.84-81,184.32-31,971.35

Finding the Fourth Proportional to 58,828.84, 81,184.32 and 31,971.35

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Solution

The fourth proportional to 58,828.84, 81,184.32 and 31,971.35 is: 44,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,828.84 : 81,184.32 = 31,971.35 : x
  2. Step 2: Convert to fraction form
    58,828.84/81,184.32 = 31,971.35/x
  3. Step 3: Cross multiply
    58,828.84x = 81,184.32 × 31,971.35
  4. Step 4: Simplify right side
    58,828.84x = 2,595,572,309.23
  5. Step 5: Solve for x
    x = 2,595,572,309.23/58,828.84
  6. Step 6: Final answer
    x = 44,120.75

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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.