Home / 37,717.72-52,047.93-20,718.64

Finding the Fourth Proportional to 37,717.72, 52,047.93 and 20,718.64

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Solution

The fourth proportional to 37,717.72, 52,047.93 and 20,718.64 is: 28,590.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,717.72 : 52,047.93 = 20,718.64 : x
  2. Step 2: Convert to fraction form
    37,717.72/52,047.93 = 20,718.64/x
  3. Step 3: Cross multiply
    37,717.72x = 52,047.93 × 20,718.64
  4. Step 4: Simplify right side
    37,717.72x = 1,078,362,324.42
  5. Step 5: Solve for x
    x = 1,078,362,324.42/37,717.72
  6. Step 6: Final answer
    x = 28,590.34

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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.