Home / 51,165.09-70,609.06-28,504.45

Finding the Fourth Proportional to 51,165.09, 70,609.06 and 28,504.45

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Solution

The fourth proportional to 51,165.09, 70,609.06 and 28,504.45 is: 39,336.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,165.09 : 70,609.06 = 28,504.45 : x
  2. Step 2: Convert to fraction form
    51,165.09/70,609.06 = 28,504.45/x
  3. Step 3: Cross multiply
    51,165.09x = 70,609.06 × 28,504.45
  4. Step 4: Simplify right side
    51,165.09x = 2,012,672,420.32
  5. Step 5: Solve for x
    x = 2,012,672,420.32/51,165.09
  6. Step 6: Final answer
    x = 39,336.83

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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.