Home / 45,888.09-68,817.55-31,191.45

Finding the Fourth Proportional to 45,888.09, 68,817.55 and 31,191.45

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Solution

The fourth proportional to 45,888.09, 68,817.55 and 31,191.45 is: 46,777.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,888.09 : 68,817.55 = 31,191.45 : x
  2. Step 2: Convert to fraction form
    45,888.09/68,817.55 = 31,191.45/x
  3. Step 3: Cross multiply
    45,888.09x = 68,817.55 × 31,191.45
  4. Step 4: Simplify right side
    45,888.09x = 2,146,519,169.95
  5. Step 5: Solve for x
    x = 2,146,519,169.95/45,888.09
  6. Step 6: Final answer
    x = 46,777.26

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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.