Home / 45,705.67-63,196.40-40,101.48

Finding the Fourth Proportional to 45,705.67, 63,196.40 and 40,101.48

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Solution

The fourth proportional to 45,705.67, 63,196.40 and 40,101.48 is: 55,447.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,705.67 : 63,196.40 = 40,101.48 : x
  2. Step 2: Convert to fraction form
    45,705.67/63,196.40 = 40,101.48/x
  3. Step 3: Cross multiply
    45,705.67x = 63,196.40 × 40,101.48
  4. Step 4: Simplify right side
    45,705.67x = 2,534,269,270.93
  5. Step 5: Solve for x
    x = 2,534,269,270.93/45,705.67
  6. Step 6: Final answer
    x = 55,447.59

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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.