Home / 61,004.10-91,509.41-18,913.26

Finding the Fourth Proportional to 61,004.10, 91,509.41 and 18,913.26

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Solution

The fourth proportional to 61,004.10, 91,509.41 and 18,913.26 is: 28,370.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,004.10 : 91,509.41 = 18,913.26 : x
  2. Step 2: Convert to fraction form
    61,004.10/91,509.41 = 18,913.26/x
  3. Step 3: Cross multiply
    61,004.10x = 91,509.41 × 18,913.26
  4. Step 4: Simplify right side
    61,004.10x = 1,730,741,654.22
  5. Step 5: Solve for x
    x = 1,730,741,654.22/61,004.10
  6. Step 6: Final answer
    x = 28,370.91

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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.