Home / 37,975.75-52,406.32-20,981.16

Finding the Fourth Proportional to 37,975.75, 52,406.32 and 20,981.16

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Solution

The fourth proportional to 37,975.75, 52,406.32 and 20,981.16 is: 28,953.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,975.75 : 52,406.32 = 20,981.16 : x
  2. Step 2: Convert to fraction form
    37,975.75/52,406.32 = 20,981.16/x
  3. Step 3: Cross multiply
    37,975.75x = 52,406.32 × 20,981.16
  4. Step 4: Simplify right side
    37,975.75x = 1,099,545,384.93
  5. Step 5: Solve for x
    x = 1,099,545,384.93/37,975.75
  6. Step 6: Final answer
    x = 28,953.88

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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.