Home / 32,090.40-48,135.60-11,315.52

Finding the Fourth Proportional to 32,090.40, 48,135.60 and 11,315.52

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Solution

The fourth proportional to 32,090.40, 48,135.60 and 11,315.52 is: 16,973.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,090.40 : 48,135.60 = 11,315.52 : x
  2. Step 2: Convert to fraction form
    32,090.40/48,135.60 = 11,315.52/x
  3. Step 3: Cross multiply
    32,090.40x = 48,135.60 × 11,315.52
  4. Step 4: Simplify right side
    32,090.40x = 544,679,344.51
  5. Step 5: Solve for x
    x = 544,679,344.51/32,090.40
  6. Step 6: Final answer
    x = 16,973.28

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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.