Home / 35,478.47-53,241.10-18,850.59

Finding the Fourth Proportional to 35,478.47, 53,241.10 and 18,850.59

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Solution

The fourth proportional to 35,478.47, 53,241.10 and 18,850.59 is: 28,288.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478.47 : 53,241.10 = 18,850.59 : x
  2. Step 2: Convert to fraction form
    35,478.47/53,241.10 = 18,850.59/x
  3. Step 3: Cross multiply
    35,478.47x = 53,241.10 × 18,850.59
  4. Step 4: Simplify right side
    35,478.47x = 1,003,626,100.12
  5. Step 5: Solve for x
    x = 1,003,626,100.12/35,478.47
  6. Step 6: Final answer
    x = 28,288.31

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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.