Home / 38,984.64-58,463.16-12,684.48

Finding the Fourth Proportional to 38,984.64, 58,463.16 and 12,684.48

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Solution

The fourth proportional to 38,984.64, 58,463.16 and 12,684.48 is: 19,022.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,984.64 : 58,463.16 = 12,684.48 : x
  2. Step 2: Convert to fraction form
    38,984.64/58,463.16 = 12,684.48/x
  3. Step 3: Cross multiply
    38,984.64x = 58,463.16 × 12,684.48
  4. Step 4: Simplify right side
    38,984.64x = 741,574,783.76
  5. Step 5: Solve for x
    x = 741,574,783.76/38,984.64
  6. Step 6: Final answer
    x = 19,022.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.