Home / 35,938.94-53,918.12-20,367.50

Finding the Fourth Proportional to 35,938.94, 53,918.12 and 20,367.50

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Solution

The fourth proportional to 35,938.94, 53,918.12 and 20,367.50 is: 30,556.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,938.94 : 53,918.12 = 20,367.50 : x
  2. Step 2: Convert to fraction form
    35,938.94/53,918.12 = 20,367.50/x
  3. Step 3: Cross multiply
    35,938.94x = 53,918.12 × 20,367.50
  4. Step 4: Simplify right side
    35,938.94x = 1,098,177,309.10
  5. Step 5: Solve for x
    x = 1,098,177,309.10/35,938.94
  6. Step 6: Final answer
    x = 30,556.75

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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.