Home / 38,268.48-52,813.28-21,274.08

Finding the Fourth Proportional to 38,268.48, 52,813.28 and 21,274.08

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Solution

The fourth proportional to 38,268.48, 52,813.28 and 21,274.08 is: 29,359.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,268.48 : 52,813.28 = 21,274.08 : x
  2. Step 2: Convert to fraction form
    38,268.48/52,813.28 = 21,274.08/x
  3. Step 3: Cross multiply
    38,268.48x = 52,813.28 × 21,274.08
  4. Step 4: Simplify right side
    38,268.48x = 1,123,553,943.78
  5. Step 5: Solve for x
    x = 1,123,553,943.78/38,268.48
  6. Step 6: Final answer
    x = 29,359.77

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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.