Home / 35,370.14-48,810.80-21,222.99

Finding the Fourth Proportional to 35,370.14, 48,810.80 and 21,222.99

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Solution

The fourth proportional to 35,370.14, 48,810.80 and 21,222.99 is: 29,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,370.14 : 48,810.80 = 21,222.99 : x
  2. Step 2: Convert to fraction form
    35,370.14/48,810.80 = 21,222.99/x
  3. Step 3: Cross multiply
    35,370.14x = 48,810.80 × 21,222.99
  4. Step 4: Simplify right side
    35,370.14x = 1,035,911,173.35
  5. Step 5: Solve for x
    x = 1,035,911,173.35/35,370.14
  6. Step 6: Final answer
    x = 29,287.74

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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.