Home / 38,938.32-53,734.89-21,033.33

Finding the Fourth Proportional to 38,938.32, 53,734.89 and 21,033.33

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Solution

The fourth proportional to 38,938.32, 53,734.89 and 21,033.33 is: 29,026.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,938.32 : 53,734.89 = 21,033.33 : x
  2. Step 2: Convert to fraction form
    38,938.32/53,734.89 = 21,033.33/x
  3. Step 3: Cross multiply
    38,938.32x = 53,734.89 × 21,033.33
  4. Step 4: Simplify right side
    38,938.32x = 1,130,223,673.88
  5. Step 5: Solve for x
    x = 1,130,223,673.88/38,938.32
  6. Step 6: Final answer
    x = 29,026.00

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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.