Home / 38,933.26-53,664.78-30,420.52

Finding the Fourth Proportional to 38,933.26, 53,664.78 and 30,420.52

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Solution

The fourth proportional to 38,933.26, 53,664.78 and 30,420.52 is: 41,931.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,933.26 : 53,664.78 = 30,420.52 : x
  2. Step 2: Convert to fraction form
    38,933.26/53,664.78 = 30,420.52/x
  3. Step 3: Cross multiply
    38,933.26x = 53,664.78 × 30,420.52
  4. Step 4: Simplify right side
    38,933.26x = 1,632,510,513.29
  5. Step 5: Solve for x
    x = 1,632,510,513.29/38,933.26
  6. Step 6: Final answer
    x = 41,931.00

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1.5x scale

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.