Home / 57,637.20-86,441.40-22,090.80

Finding the Fourth Proportional to 57,637.20, 86,441.40 and 22,090.80

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Solution

The fourth proportional to 57,637.20, 86,441.40 and 22,090.80 is: 33,130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,637.20 : 86,441.40 = 22,090.80 : x
  2. Step 2: Convert to fraction form
    57,637.20/86,441.40 = 22,090.80/x
  3. Step 3: Cross multiply
    57,637.20x = 86,441.40 × 22,090.80
  4. Step 4: Simplify right side
    57,637.20x = 1,909,559,679.12
  5. Step 5: Solve for x
    x = 1,909,559,679.12/57,637.20
  6. Step 6: Final answer
    x = 33,130.68

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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.