Home / 51,503.56-77,261.82-18,215.80

Finding the Fourth Proportional to 51,503.56, 77,261.82 and 18,215.80

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Solution

The fourth proportional to 51,503.56, 77,261.82 and 18,215.80 is: 27,325.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,503.56 : 77,261.82 = 18,215.80 : x
  2. Step 2: Convert to fraction form
    51,503.56/77,261.82 = 18,215.80/x
  3. Step 3: Cross multiply
    51,503.56x = 77,261.82 × 18,215.80
  4. Step 4: Simplify right side
    51,503.56x = 1,407,385,860.76
  5. Step 5: Solve for x
    x = 1,407,385,860.76/51,503.56
  6. Step 6: Final answer
    x = 27,325.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.