Home / 30,258.54-45,392.67-12,733.38

Finding the Fourth Proportional to 30,258.54, 45,392.67 and 12,733.38

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Solution

The fourth proportional to 30,258.54, 45,392.67 and 12,733.38 is: 19,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.54 : 45,392.67 = 12,733.38 : x
  2. Step 2: Convert to fraction form
    30,258.54/45,392.67 = 12,733.38/x
  3. Step 3: Cross multiply
    30,258.54x = 45,392.67 × 12,733.38
  4. Step 4: Simplify right side
    30,258.54x = 578,002,116.32
  5. Step 5: Solve for x
    x = 578,002,116.32/30,258.54
  6. Step 6: Final answer
    x = 19,102.12

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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.