Home / 32,090.40-48,135.60-21,592.80

Finding the Fourth Proportional to 32,090.40, 48,135.60 and 21,592.80

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Solution

The fourth proportional to 32,090.40, 48,135.60 and 21,592.80 is: 32,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,090.40 : 48,135.60 = 21,592.80 : x
  2. Step 2: Convert to fraction form
    32,090.40/48,135.60 = 21,592.80/x
  3. Step 3: Cross multiply
    32,090.40x = 48,135.60 × 21,592.80
  4. Step 4: Simplify right side
    32,090.40x = 1,039,382,383.68
  5. Step 5: Solve for x
    x = 1,039,382,383.68/32,090.40
  6. Step 6: Final answer
    x = 32,389.20

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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.