Home / 45,623.66-62,938.80-28,619.40

Finding the Fourth Proportional to 45,623.66, 62,938.80 and 28,619.40

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Solution

The fourth proportional to 45,623.66, 62,938.80 and 28,619.40 is: 39,481.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,623.66 : 62,938.80 = 28,619.40 : x
  2. Step 2: Convert to fraction form
    45,623.66/62,938.80 = 28,619.40/x
  3. Step 3: Cross multiply
    45,623.66x = 62,938.80 × 28,619.40
  4. Step 4: Simplify right side
    45,623.66x = 1,801,270,692.72
  5. Step 5: Solve for x
    x = 1,801,270,692.72/45,623.66
  6. Step 6: Final answer
    x = 39,481.07

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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.