Home / 50,801.10-76,201.65-21,209.10

Finding the Fourth Proportional to 50,801.10, 76,201.65 and 21,209.10

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Solution

The fourth proportional to 50,801.10, 76,201.65 and 21,209.10 is: 31,813.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,801.10 : 76,201.65 = 21,209.10 : x
  2. Step 2: Convert to fraction form
    50,801.10/76,201.65 = 21,209.10/x
  3. Step 3: Cross multiply
    50,801.10x = 76,201.65 × 21,209.10
  4. Step 4: Simplify right side
    50,801.10x = 1,616,168,415.02
  5. Step 5: Solve for x
    x = 1,616,168,415.02/50,801.10
  6. Step 6: Final answer
    x = 31,813.65

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1.5x scale

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.