Home / 51,348.21-70,860.60-31,199.73

Finding the Fourth Proportional to 51,348.21, 70,860.60 and 31,199.73

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Solution

The fourth proportional to 51,348.21, 70,860.60 and 31,199.73 is: 43,055.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,348.21 : 70,860.60 = 31,199.73 : x
  2. Step 2: Convert to fraction form
    51,348.21/70,860.60 = 31,199.73/x
  3. Step 3: Cross multiply
    51,348.21x = 70,860.60 × 31,199.73
  4. Step 4: Simplify right side
    51,348.21x = 2,210,831,587.64
  5. Step 5: Solve for x
    x = 2,210,831,587.64/51,348.21
  6. Step 6: Final answer
    x = 43,055.67

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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.