Home / 37,975.86-52,407.05-20,980.50

Finding the Fourth Proportional to 37,975.86, 52,407.05 and 20,980.50

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Solution

The fourth proportional to 37,975.86, 52,407.05 and 20,980.50 is: 28,953.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,975.86 : 52,407.05 = 20,980.50 : x
  2. Step 2: Convert to fraction form
    37,975.86/52,407.05 = 20,980.50/x
  3. Step 3: Cross multiply
    37,975.86x = 52,407.05 × 20,980.50
  4. Step 4: Simplify right side
    37,975.86x = 1,099,526,007.62
  5. Step 5: Solve for x
    x = 1,099,526,007.62/37,975.86
  6. Step 6: Final answer
    x = 28,953.29

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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.