Home / 38,302.08-52,858.88-21,536.16

Finding the Fourth Proportional to 38,302.08, 52,858.88 and 21,536.16

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Solution

The fourth proportional to 38,302.08, 52,858.88 and 21,536.16 is: 29,721.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,302.08 : 52,858.88 = 21,536.16 : x
  2. Step 2: Convert to fraction form
    38,302.08/52,858.88 = 21,536.16/x
  3. Step 3: Cross multiply
    38,302.08x = 52,858.88 × 21,536.16
  4. Step 4: Simplify right side
    38,302.08x = 1,138,377,297.10
  5. Step 5: Solve for x
    x = 1,138,377,297.10/38,302.08
  6. Step 6: Final answer
    x = 29,721.03

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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.