Home / 40,218.50-55,501.54-22,316.42

Finding the Fourth Proportional to 40,218.50, 55,501.54 and 22,316.42

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Solution

The fourth proportional to 40,218.50, 55,501.54 and 22,316.42 is: 30,796.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,218.50 : 55,501.54 = 22,316.42 : x
  2. Step 2: Convert to fraction form
    40,218.50/55,501.54 = 22,316.42/x
  3. Step 3: Cross multiply
    40,218.50x = 55,501.54 × 22,316.42
  4. Step 4: Simplify right side
    40,218.50x = 1,238,595,677.29
  5. Step 5: Solve for x
    x = 1,238,595,677.29/40,218.50
  6. Step 6: Final answer
    x = 30,796.67

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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.