Home / 35,519.16-49,015-19,603.40

Finding the Fourth Proportional to 35,519.16, 49,015 and 19,603.40

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Solution

The fourth proportional to 35,519.16, 49,015 and 19,603.40 is: 27,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,519.16 : 49,015 = 19,603.40 : x
  2. Step 2: Convert to fraction form
    35,519.16/49,015 = 19,603.40/x
  3. Step 3: Cross multiply
    35,519.16x = 49,015 × 19,603.40
  4. Step 4: Simplify right side
    35,519.16x = 960,860,651.00
  5. Step 5: Solve for x
    x = 960,860,651.00/35,519.16
  6. Step 6: Final answer
    x = 27,051.90

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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.