Home / 47,768.07-65,926-27,621.06

Finding the Fourth Proportional to 47,768.07, 65,926 and 27,621.06

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Solution

The fourth proportional to 47,768.07, 65,926 and 27,621.06 is: 38,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,768.07 : 65,926 = 27,621.06 : x
  2. Step 2: Convert to fraction form
    47,768.07/65,926 = 27,621.06/x
  3. Step 3: Cross multiply
    47,768.07x = 65,926 × 27,621.06
  4. Step 4: Simplify right side
    47,768.07x = 1,820,946,001.56
  5. Step 5: Solve for x
    x = 1,820,946,001.56/47,768.07
  6. Step 6: Final answer
    x = 38,120.57

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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.