Home / 39,574.59-54,612.88-21,669.94

Finding the Fourth Proportional to 39,574.59, 54,612.88 and 21,669.94

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Solution

The fourth proportional to 39,574.59, 54,612.88 and 21,669.94 is: 29,904.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,574.59 : 54,612.88 = 21,669.94 : x
  2. Step 2: Convert to fraction form
    39,574.59/54,612.88 = 21,669.94/x
  3. Step 3: Cross multiply
    39,574.59x = 54,612.88 × 21,669.94
  4. Step 4: Simplify right side
    39,574.59x = 1,183,457,832.83
  5. Step 5: Solve for x
    x = 1,183,457,832.83/39,574.59
  6. Step 6: Final answer
    x = 29,904.49

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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.