Home / 50,526.12-75,748.05-18,918.48

Finding the Fourth Proportional to 50,526.12, 75,748.05 and 18,918.48

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Solution

The fourth proportional to 50,526.12, 75,748.05 and 18,918.48 is: 28,362.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,526.12 : 75,748.05 = 18,918.48 : x
  2. Step 2: Convert to fraction form
    50,526.12/75,748.05 = 18,918.48/x
  3. Step 3: Cross multiply
    50,526.12x = 75,748.05 × 18,918.48
  4. Step 4: Simplify right side
    50,526.12x = 1,433,037,968.96
  5. Step 5: Solve for x
    x = 1,433,037,968.96/50,526.12
  6. Step 6: Final answer
    x = 28,362.32

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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.