Home / 30,108.10-45,145.70-23,907.94

Finding the Fourth Proportional to 30,108.10, 45,145.70 and 23,907.94

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Solution

The fourth proportional to 30,108.10, 45,145.70 and 23,907.94 is: 35,848.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.10 : 45,145.70 = 23,907.94 : x
  2. Step 2: Convert to fraction form
    30,108.10/45,145.70 = 23,907.94/x
  3. Step 3: Cross multiply
    30,108.10x = 45,145.70 × 23,907.94
  4. Step 4: Simplify right side
    30,108.10x = 1,079,340,686.86
  5. Step 5: Solve for x
    x = 1,079,340,686.86/30,108.10
  6. Step 6: Final answer
    x = 35,848.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.