Home / 35,418.90-48,878.25-19,503.34

Finding the Fourth Proportional to 35,418.90, 48,878.25 and 19,503.34

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Solution

The fourth proportional to 35,418.90, 48,878.25 and 19,503.34 is: 26,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,418.90 : 48,878.25 = 19,503.34 : x
  2. Step 2: Convert to fraction form
    35,418.90/48,878.25 = 19,503.34/x
  3. Step 3: Cross multiply
    35,418.90x = 48,878.25 × 19,503.34
  4. Step 4: Simplify right side
    35,418.90x = 953,289,128.36
  5. Step 5: Solve for x
    x = 953,289,128.36/35,418.90
  6. Step 6: Final answer
    x = 26,914.70

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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.