Home / 35,968.15-53,967.77-19,308.72

Finding the Fourth Proportional to 35,968.15, 53,967.77 and 19,308.72

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Solution

The fourth proportional to 35,968.15, 53,967.77 and 19,308.72 is: 28,971.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,968.15 : 53,967.77 = 19,308.72 : x
  2. Step 2: Convert to fraction form
    35,968.15/53,967.77 = 19,308.72/x
  3. Step 3: Cross multiply
    35,968.15x = 53,967.77 × 19,308.72
  4. Step 4: Simplify right side
    35,968.15x = 1,042,048,738.20
  5. Step 5: Solve for x
    x = 1,042,048,738.20/35,968.15
  6. Step 6: Final answer
    x = 28,971.43

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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.