Home / 43,180.90-64,735.35-18,240.10

Finding the Fourth Proportional to 43,180.90, 64,735.35 and 18,240.10

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Solution

The fourth proportional to 43,180.90, 64,735.35 and 18,240.10 is: 27,344.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,180.90 : 64,735.35 = 18,240.10 : x
  2. Step 2: Convert to fraction form
    43,180.90/64,735.35 = 18,240.10/x
  3. Step 3: Cross multiply
    43,180.90x = 64,735.35 × 18,240.10
  4. Step 4: Simplify right side
    43,180.90x = 1,180,779,257.54
  5. Step 5: Solve for x
    x = 1,180,779,257.54/43,180.90
  6. Step 6: Final answer
    x = 27,344.94

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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.