Home / 30,047.56-45,035.94-12,267.11

Finding the Fourth Proportional to 30,047.56, 45,035.94 and 12,267.11

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Solution

The fourth proportional to 30,047.56, 45,035.94 and 12,267.11 is: 18,386.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,047.56 : 45,035.94 = 12,267.11 : x
  2. Step 2: Convert to fraction form
    30,047.56/45,035.94 = 12,267.11/x
  3. Step 3: Cross multiply
    30,047.56x = 45,035.94 × 12,267.11
  4. Step 4: Simplify right side
    30,047.56x = 552,460,829.93
  5. Step 5: Solve for x
    x = 552,460,829.93/30,047.56
  6. Step 6: Final answer
    x = 18,386.22

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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.