Home / 37,971.93-52,400.19-20,975.91

Finding the Fourth Proportional to 37,971.93, 52,400.19 and 20,975.91

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Solution

The fourth proportional to 37,971.93, 52,400.19 and 20,975.91 is: 28,946.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,971.93 : 52,400.19 = 20,975.91 : x
  2. Step 2: Convert to fraction form
    37,971.93/52,400.19 = 20,975.91/x
  3. Step 3: Cross multiply
    37,971.93x = 52,400.19 × 20,975.91
  4. Step 4: Simplify right side
    37,971.93x = 1,099,141,669.42
  5. Step 5: Solve for x
    x = 1,099,141,669.42/37,971.93
  6. Step 6: Final answer
    x = 28,946.16

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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.