Home / 84,945.65-127,415.51-21,766.29

Finding the Fourth Proportional to 84,945.65, 127,415.51 and 21,766.29

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Solution

The fourth proportional to 84,945.65, 127,415.51 and 21,766.29 is: 32,648.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,945.65 : 127,415.51 = 21,766.29 : x
  2. Step 2: Convert to fraction form
    84,945.65/127,415.51 = 21,766.29/x
  3. Step 3: Cross multiply
    84,945.65x = 127,415.51 × 21,766.29
  4. Step 4: Simplify right side
    84,945.65x = 2,773,362,558.58
  5. Step 5: Solve for x
    x = 2,773,362,558.58/84,945.65
  6. Step 6: Final answer
    x = 32,648.67

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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.