Home / 38,131.08-52,620.74-21,364.04

Finding the Fourth Proportional to 38,131.08, 52,620.74 and 21,364.04

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Solution

The fourth proportional to 38,131.08, 52,620.74 and 21,364.04 is: 29,482.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,131.08 : 52,620.74 = 21,364.04 : x
  2. Step 2: Convert to fraction form
    38,131.08/52,620.74 = 21,364.04/x
  3. Step 3: Cross multiply
    38,131.08x = 52,620.74 × 21,364.04
  4. Step 4: Simplify right side
    38,131.08x = 1,124,191,594.19
  5. Step 5: Solve for x
    x = 1,124,191,594.19/38,131.08
  6. Step 6: Final answer
    x = 29,482.29

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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.