Home / 51,296.07-70,790.72-28,636.32

Finding the Fourth Proportional to 51,296.07, 70,790.72 and 28,636.32

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Solution

The fourth proportional to 51,296.07, 70,790.72 and 28,636.32 is: 39,519.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,296.07 : 70,790.72 = 28,636.32 : x
  2. Step 2: Convert to fraction form
    51,296.07/70,790.72 = 28,636.32/x
  3. Step 3: Cross multiply
    51,296.07x = 70,790.72 × 28,636.32
  4. Step 4: Simplify right side
    51,296.07x = 2,027,185,567.77
  5. Step 5: Solve for x
    x = 2,027,185,567.77/51,296.07
  6. Step 6: Final answer
    x = 39,519.32

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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.