Home / 38,393.10-52,984.12-21,397.34

Finding the Fourth Proportional to 38,393.10, 52,984.12 and 21,397.34

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Solution

The fourth proportional to 38,393.10, 52,984.12 and 21,397.34 is: 29,529.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,393.10 : 52,984.12 = 21,397.34 : x
  2. Step 2: Convert to fraction form
    38,393.10/52,984.12 = 21,397.34/x
  3. Step 3: Cross multiply
    38,393.10x = 52,984.12 × 21,397.34
  4. Step 4: Simplify right side
    38,393.10x = 1,133,719,230.24
  5. Step 5: Solve for x
    x = 1,133,719,230.24/38,393.10
  6. Step 6: Final answer
    x = 29,529.24

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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.