Home / 39,612.29-54,664.95-21,707.99

Finding the Fourth Proportional to 39,612.29, 54,664.95 and 21,707.99

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Solution

The fourth proportional to 39,612.29, 54,664.95 and 21,707.99 is: 29,957.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,612.29 : 54,664.95 = 21,707.99 : x
  2. Step 2: Convert to fraction form
    39,612.29/54,664.95 = 21,707.99/x
  3. Step 3: Cross multiply
    39,612.29x = 54,664.95 × 21,707.99
  4. Step 4: Simplify right side
    39,612.29x = 1,186,666,324.61
  5. Step 5: Solve for x
    x = 1,186,666,324.61/39,612.29
  6. Step 6: Final answer
    x = 29,957.03

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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.