Home / 53,091.84-79,590.24-21,907.20

Finding the Fourth Proportional to 53,091.84, 79,590.24 and 21,907.20

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Solution

The fourth proportional to 53,091.84, 79,590.24 and 21,907.20 is: 32,841.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,091.84 : 79,590.24 = 21,907.20 : x
  2. Step 2: Convert to fraction form
    53,091.84/79,590.24 = 21,907.20/x
  3. Step 3: Cross multiply
    53,091.84x = 79,590.24 × 21,907.20
  4. Step 4: Simplify right side
    53,091.84x = 1,743,599,305.73
  5. Step 5: Solve for x
    x = 1,743,599,305.73/53,091.84
  6. Step 6: Final answer
    x = 32,841.19

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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.