Home / 36,269.76-54,352.80-20,655.12

Finding the Fourth Proportional to 36,269.76, 54,352.80 and 20,655.12

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Solution

The fourth proportional to 36,269.76, 54,352.80 and 20,655.12 is: 30,953.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,269.76 : 54,352.80 = 20,655.12 : x
  2. Step 2: Convert to fraction form
    36,269.76/54,352.80 = 20,655.12/x
  3. Step 3: Cross multiply
    36,269.76x = 54,352.80 × 20,655.12
  4. Step 4: Simplify right side
    36,269.76x = 1,122,663,606.34
  5. Step 5: Solve for x
    x = 1,122,663,606.34/36,269.76
  6. Step 6: Final answer
    x = 30,953.16

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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.