Home / 35,431.77-48,894.91-20,333.23

Finding the Fourth Proportional to 35,431.77, 48,894.91 and 20,333.23

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Solution

The fourth proportional to 35,431.77, 48,894.91 and 20,333.23 is: 28,059.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,431.77 : 48,894.91 = 20,333.23 : x
  2. Step 2: Convert to fraction form
    35,431.77/48,894.91 = 20,333.23/x
  3. Step 3: Cross multiply
    35,431.77x = 48,894.91 × 20,333.23
  4. Step 4: Simplify right side
    35,431.77x = 994,191,450.86
  5. Step 5: Solve for x
    x = 994,191,450.86/35,431.77
  6. Step 6: Final answer
    x = 28,059.32

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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.