Home / 45,270.60-67,637.91-43,720.26

Finding the Fourth Proportional to 45,270.60, 67,637.91 and 43,720.26

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Solution

The fourth proportional to 45,270.60, 67,637.91 and 43,720.26 is: 65,321.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,270.60 : 67,637.91 = 43,720.26 : x
  2. Step 2: Convert to fraction form
    45,270.60/67,637.91 = 43,720.26/x
  3. Step 3: Cross multiply
    45,270.60x = 67,637.91 × 43,720.26
  4. Step 4: Simplify right side
    45,270.60x = 2,957,147,011.06
  5. Step 5: Solve for x
    x = 2,957,147,011.06/45,270.60
  6. Step 6: Final answer
    x = 65,321.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.