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Finding the Fourth Proportional to 35,958.60, 53,938.14 and 10,999.08

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Solution

The fourth proportional to 35,958.60, 53,938.14 and 10,999.08 is: 16,498.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,958.60 : 53,938.14 = 10,999.08 : x
  2. Step 2: Convert to fraction form
    35,958.60/53,938.14 = 10,999.08/x
  3. Step 3: Cross multiply
    35,958.60x = 53,938.14 × 10,999.08
  4. Step 4: Simplify right side
    35,958.60x = 593,269,916.91
  5. Step 5: Solve for x
    x = 593,269,916.91/35,958.60
  6. Step 6: Final answer
    x = 16,498.69

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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.