Home / 34,881.40-48,135.76-18,966.25

Finding the Fourth Proportional to 34,881.40, 48,135.76 and 18,966.25

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Solution

The fourth proportional to 34,881.40, 48,135.76 and 18,966.25 is: 26,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,881.40 : 48,135.76 = 18,966.25 : x
  2. Step 2: Convert to fraction form
    34,881.40/48,135.76 = 18,966.25/x
  3. Step 3: Cross multiply
    34,881.40x = 48,135.76 × 18,966.25
  4. Step 4: Simplify right side
    34,881.40x = 912,954,858.10
  5. Step 5: Solve for x
    x = 912,954,858.10/34,881.40
  6. Step 6: Final answer
    x = 26,173.11

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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.