Home / 37,197.50-51,333.36-20,430.50

Finding the Fourth Proportional to 37,197.50, 51,333.36 and 20,430.50

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Solution

The fourth proportional to 37,197.50, 51,333.36 and 20,430.50 is: 28,194.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,197.50 : 51,333.36 = 20,430.50 : x
  2. Step 2: Convert to fraction form
    37,197.50/51,333.36 = 20,430.50/x
  3. Step 3: Cross multiply
    37,197.50x = 51,333.36 × 20,430.50
  4. Step 4: Simplify right side
    37,197.50x = 1,048,766,211.48
  5. Step 5: Solve for x
    x = 1,048,766,211.48/37,197.50
  6. Step 6: Final answer
    x = 28,194.53

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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.