Home / 37,480.86-51,722.01-20,485.65

Finding the Fourth Proportional to 37,480.86, 51,722.01 and 20,485.65

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Solution

The fourth proportional to 37,480.86, 51,722.01 and 20,485.65 is: 28,269.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,480.86 : 51,722.01 = 20,485.65 : x
  2. Step 2: Convert to fraction form
    37,480.86/51,722.01 = 20,485.65/x
  3. Step 3: Cross multiply
    37,480.86x = 51,722.01 × 20,485.65
  4. Step 4: Simplify right side
    37,480.86x = 1,059,558,994.16
  5. Step 5: Solve for x
    x = 1,059,558,994.16/37,480.86
  6. Step 6: Final answer
    x = 28,269.34

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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.