Home / 37,580.28-51,860.76-20,813.28

Finding the Fourth Proportional to 37,580.28, 51,860.76 and 20,813.28

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Solution

The fourth proportional to 37,580.28, 51,860.76 and 20,813.28 is: 28,722.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,580.28 : 51,860.76 = 20,813.28 : x
  2. Step 2: Convert to fraction form
    37,580.28/51,860.76 = 20,813.28/x
  3. Step 3: Cross multiply
    37,580.28x = 51,860.76 × 20,813.28
  4. Step 4: Simplify right side
    37,580.28x = 1,079,392,518.89
  5. Step 5: Solve for x
    x = 1,079,392,518.89/37,580.28
  6. Step 6: Final answer
    x = 28,722.31

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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.