Home / 37,690.75-52,015.67-20,923.75

Finding the Fourth Proportional to 37,690.75, 52,015.67 and 20,923.75

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Solution

The fourth proportional to 37,690.75, 52,015.67 and 20,923.75 is: 28,876.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,690.75 : 52,015.67 = 20,923.75 : x
  2. Step 2: Convert to fraction form
    37,690.75/52,015.67 = 20,923.75/x
  3. Step 3: Cross multiply
    37,690.75x = 52,015.67 × 20,923.75
  4. Step 4: Simplify right side
    37,690.75x = 1,088,362,875.16
  5. Step 5: Solve for x
    x = 1,088,362,875.16/37,690.75
  6. Step 6: Final answer
    x = 28,876.13

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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.