Home / 34,881.09-48,135.23-18,965.40

Finding the Fourth Proportional to 34,881.09, 48,135.23 and 18,965.40

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Solution

The fourth proportional to 34,881.09, 48,135.23 and 18,965.40 is: 26,171.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,881.09 : 48,135.23 = 18,965.40 : x
  2. Step 2: Convert to fraction form
    34,881.09/48,135.23 = 18,965.40/x
  3. Step 3: Cross multiply
    34,881.09x = 48,135.23 × 18,965.40
  4. Step 4: Simplify right side
    34,881.09x = 912,903,796.22
  5. Step 5: Solve for x
    x = 912,903,796.22/34,881.09
  6. Step 6: Final answer
    x = 26,171.88

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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.