Home / 29,970.32-44,975.54-12,440.15

Finding the Fourth Proportional to 29,970.32, 44,975.54 and 12,440.15

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Solution

The fourth proportional to 29,970.32, 44,975.54 and 12,440.15 is: 18,668.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,970.32 : 44,975.54 = 12,440.15 : x
  2. Step 2: Convert to fraction form
    29,970.32/44,975.54 = 12,440.15/x
  3. Step 3: Cross multiply
    29,970.32x = 44,975.54 × 12,440.15
  4. Step 4: Simplify right side
    29,970.32x = 559,502,270.15
  5. Step 5: Solve for x
    x = 559,502,270.15/29,970.32
  6. Step 6: Final answer
    x = 18,668.54

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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.