Home / 79,220.76-118,848.96-26,628.81

Finding the Fourth Proportional to 79,220.76, 118,848.96 and 26,628.81

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Solution

The fourth proportional to 79,220.76, 118,848.96 and 26,628.81 is: 39,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,220.76 : 118,848.96 = 26,628.81 : x
  2. Step 2: Convert to fraction form
    79,220.76/118,848.96 = 26,628.81/x
  3. Step 3: Cross multiply
    79,220.76x = 118,848.96 × 26,628.81
  4. Step 4: Simplify right side
    79,220.76x = 3,164,806,374.54
  5. Step 5: Solve for x
    x = 3,164,806,374.54/79,220.76
  6. Step 6: Final answer
    x = 39,949.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.