Home / 49,110.09-67,768.74-28,962.36

Finding the Fourth Proportional to 49,110.09, 67,768.74 and 28,962.36

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Solution

The fourth proportional to 49,110.09, 67,768.74 and 28,962.36 is: 39,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,110.09 : 67,768.74 = 28,962.36 : x
  2. Step 2: Convert to fraction form
    49,110.09/67,768.74 = 28,962.36/x
  3. Step 3: Cross multiply
    49,110.09x = 67,768.74 × 28,962.36
  4. Step 4: Simplify right side
    49,110.09x = 1,962,742,644.63
  5. Step 5: Solve for x
    x = 1,962,742,644.63/49,110.09
  6. Step 6: Final answer
    x = 39,966.18

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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.