Home / 30,372.84-45,559.26-10,647.72

Finding the Fourth Proportional to 30,372.84, 45,559.26 and 10,647.72

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Solution

The fourth proportional to 30,372.84, 45,559.26 and 10,647.72 is: 15,971.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,372.84 : 45,559.26 = 10,647.72 : x
  2. Step 2: Convert to fraction form
    30,372.84/45,559.26 = 10,647.72/x
  3. Step 3: Cross multiply
    30,372.84x = 45,559.26 × 10,647.72
  4. Step 4: Simplify right side
    30,372.84x = 485,102,243.89
  5. Step 5: Solve for x
    x = 485,102,243.89/30,372.84
  6. Step 6: Final answer
    x = 15,971.58

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1.5x scale

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.