Home / 30,282.35-45,381.87-15,460.02

Finding the Fourth Proportional to 30,282.35, 45,381.87 and 15,460.02

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Solution

The fourth proportional to 30,282.35, 45,381.87 and 15,460.02 is: 23,168.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,282.35 : 45,381.87 = 15,460.02 : x
  2. Step 2: Convert to fraction form
    30,282.35/45,381.87 = 15,460.02/x
  3. Step 3: Cross multiply
    30,282.35x = 45,381.87 × 15,460.02
  4. Step 4: Simplify right side
    30,282.35x = 701,604,617.84
  5. Step 5: Solve for x
    x = 701,604,617.84/30,282.35
  6. Step 6: Final answer
    x = 23,168.77

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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.