Home / 37,580.22-51,860.07-20,812.86

Finding the Fourth Proportional to 37,580.22, 51,860.07 and 20,812.86

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Solution

The fourth proportional to 37,580.22, 51,860.07 and 20,812.86 is: 28,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,580.22 : 51,860.07 = 20,812.86 : x
  2. Step 2: Convert to fraction form
    37,580.22/51,860.07 = 20,812.86/x
  3. Step 3: Cross multiply
    37,580.22x = 51,860.07 × 20,812.86
  4. Step 4: Simplify right side
    37,580.22x = 1,079,356,376.50
  5. Step 5: Solve for x
    x = 1,079,356,376.50/37,580.22
  6. Step 6: Final answer
    x = 28,721.40

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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.