Home / 45,388.86-68,085.12-15,809.69

Finding the Fourth Proportional to 45,388.86, 68,085.12 and 15,809.69

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Solution

The fourth proportional to 45,388.86, 68,085.12 and 15,809.69 is: 23,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,388.86 : 68,085.12 = 15,809.69 : x
  2. Step 2: Convert to fraction form
    45,388.86/68,085.12 = 15,809.69/x
  3. Step 3: Cross multiply
    45,388.86x = 68,085.12 × 15,809.69
  4. Step 4: Simplify right side
    45,388.86x = 1,076,404,300.39
  5. Step 5: Solve for x
    x = 1,076,404,300.39/45,388.86
  6. Step 6: Final answer
    x = 23,715.16

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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.