Home / 38,818.03-58,185.53-20,079.21

Finding the Fourth Proportional to 38,818.03, 58,185.53 and 20,079.21

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Solution

The fourth proportional to 38,818.03, 58,185.53 and 20,079.21 is: 30,097.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,818.03 : 58,185.53 = 20,079.21 : x
  2. Step 2: Convert to fraction form
    38,818.03/58,185.53 = 20,079.21/x
  3. Step 3: Cross multiply
    38,818.03x = 58,185.53 × 20,079.21
  4. Step 4: Simplify right side
    38,818.03x = 1,168,319,475.83
  5. Step 5: Solve for x
    x = 1,168,319,475.83/38,818.03
  6. Step 6: Final answer
    x = 30,097.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.