Home / 51,211.80-70,675.02-29,992.68

Finding the Fourth Proportional to 51,211.80, 70,675.02 and 29,992.68

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Solution

The fourth proportional to 51,211.80, 70,675.02 and 29,992.68 is: 41,391.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,211.80 : 70,675.02 = 29,992.68 : x
  2. Step 2: Convert to fraction form
    51,211.80/70,675.02 = 29,992.68/x
  3. Step 3: Cross multiply
    51,211.80x = 70,675.02 × 29,992.68
  4. Step 4: Simplify right side
    51,211.80x = 2,119,733,258.85
  5. Step 5: Solve for x
    x = 2,119,733,258.85/51,211.80
  6. Step 6: Final answer
    x = 41,391.50

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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.