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Finding the Fourth Proportional to 35,955.76, 53,940.72 and 10,999.38

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Solution

The fourth proportional to 35,955.76, 53,940.72 and 10,999.38 is: 16,501.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,955.76 : 53,940.72 = 10,999.38 : x
  2. Step 2: Convert to fraction form
    35,955.76/53,940.72 = 10,999.38/x
  3. Step 3: Cross multiply
    35,955.76x = 53,940.72 × 10,999.38
  4. Step 4: Simplify right side
    35,955.76x = 593,314,476.75
  5. Step 5: Solve for x
    x = 593,314,476.75/35,955.76
  6. Step 6: Final answer
    x = 16,501.24

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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.