Home / 35,323.10-48,745.73-20,215.69

Finding the Fourth Proportional to 35,323.10, 48,745.73 and 20,215.69

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Solution

The fourth proportional to 35,323.10, 48,745.73 and 20,215.69 is: 27,897.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,323.10 : 48,745.73 = 20,215.69 : x
  2. Step 2: Convert to fraction form
    35,323.10/48,745.73 = 20,215.69/x
  3. Step 3: Cross multiply
    35,323.10x = 48,745.73 × 20,215.69
  4. Step 4: Simplify right side
    35,323.10x = 985,428,495.18
  5. Step 5: Solve for x
    x = 985,428,495.18/35,323.10
  6. Step 6: Final answer
    x = 27,897.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.