Home / 35,320.54-48,742.48-21,173.38

Finding the Fourth Proportional to 35,320.54, 48,742.48 and 21,173.38

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Solution

The fourth proportional to 35,320.54, 48,742.48 and 21,173.38 is: 29,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,320.54 : 48,742.48 = 21,173.38 : x
  2. Step 2: Convert to fraction form
    35,320.54/48,742.48 = 21,173.38/x
  3. Step 3: Cross multiply
    35,320.54x = 48,742.48 × 21,173.38
  4. Step 4: Simplify right side
    35,320.54x = 1,032,043,051.18
  5. Step 5: Solve for x
    x = 1,032,043,051.18/35,320.54
  6. Step 6: Final answer
    x = 29,219.35

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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.