Home / 36,217.63-54,303.36-21,431.08

Finding the Fourth Proportional to 36,217.63, 54,303.36 and 21,431.08

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Solution

The fourth proportional to 36,217.63, 54,303.36 and 21,431.08 is: 32,132.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,217.63 : 54,303.36 = 21,431.08 : x
  2. Step 2: Convert to fraction form
    36,217.63/54,303.36 = 21,431.08/x
  3. Step 3: Cross multiply
    36,217.63x = 54,303.36 × 21,431.08
  4. Step 4: Simplify right side
    36,217.63x = 1,163,779,652.43
  5. Step 5: Solve for x
    x = 1,163,779,652.43/36,217.63
  6. Step 6: Final answer
    x = 32,132.96

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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.