Home / 51,221.56-70,670.06-29,706.95

Finding the Fourth Proportional to 51,221.56, 70,670.06 and 29,706.95

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Solution

The fourth proportional to 51,221.56, 70,670.06 and 29,706.95 is: 40,986.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,221.56 : 70,670.06 = 29,706.95 : x
  2. Step 2: Convert to fraction form
    51,221.56/70,670.06 = 29,706.95/x
  3. Step 3: Cross multiply
    51,221.56x = 70,670.06 × 29,706.95
  4. Step 4: Simplify right side
    51,221.56x = 2,099,391,938.92
  5. Step 5: Solve for x
    x = 2,099,391,938.92/51,221.56
  6. Step 6: Final answer
    x = 40,986.49

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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.