Home / 49,852.80-68,798.40-28,636.32

Finding the Fourth Proportional to 49,852.80, 68,798.40 and 28,636.32

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Solution

The fourth proportional to 49,852.80, 68,798.40 and 28,636.32 is: 39,519.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,852.80 : 68,798.40 = 28,636.32 : x
  2. Step 2: Convert to fraction form
    49,852.80/68,798.40 = 28,636.32/x
  3. Step 3: Cross multiply
    49,852.80x = 68,798.40 × 28,636.32
  4. Step 4: Simplify right side
    49,852.80x = 1,970,132,997.89
  5. Step 5: Solve for x
    x = 1,970,132,997.89/49,852.80
  6. Step 6: Final answer
    x = 39,519.00

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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.