Home / 34,218.81-47,220.99-19,111.02

Finding the Fourth Proportional to 34,218.81, 47,220.99 and 19,111.02

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Solution

The fourth proportional to 34,218.81, 47,220.99 and 19,111.02 is: 26,372.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,218.81 : 47,220.99 = 19,111.02 : x
  2. Step 2: Convert to fraction form
    34,218.81/47,220.99 = 19,111.02/x
  3. Step 3: Cross multiply
    34,218.81x = 47,220.99 × 19,111.02
  4. Step 4: Simplify right side
    34,218.81x = 902,441,284.31
  5. Step 5: Solve for x
    x = 902,441,284.31/34,218.81
  6. Step 6: Final answer
    x = 26,372.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.