Home / 51,090.22-70,504.49-28,430.67

Finding the Fourth Proportional to 51,090.22, 70,504.49 and 28,430.67

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Solution

The fourth proportional to 51,090.22, 70,504.49 and 28,430.67 is: 39,234.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,090.22 : 70,504.49 = 28,430.67 : x
  2. Step 2: Convert to fraction form
    51,090.22/70,504.49 = 28,430.67/x
  3. Step 3: Cross multiply
    51,090.22x = 70,504.49 × 28,430.67
  4. Step 4: Simplify right side
    51,090.22x = 2,004,489,536.19
  5. Step 5: Solve for x
    x = 2,004,489,536.19/51,090.22
  6. Step 6: Final answer
    x = 39,234.31

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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.