Home / 30,670.88-46,011.12-9,896.48

Finding the Fourth Proportional to 30,670.88, 46,011.12 and 9,896.48

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Solution

The fourth proportional to 30,670.88, 46,011.12 and 9,896.48 is: 14,846.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,670.88 : 46,011.12 = 9,896.48 : x
  2. Step 2: Convert to fraction form
    30,670.88/46,011.12 = 9,896.48/x
  3. Step 3: Cross multiply
    30,670.88x = 46,011.12 × 9,896.48
  4. Step 4: Simplify right side
    30,670.88x = 455,348,128.86
  5. Step 5: Solve for x
    x = 455,348,128.86/30,670.88
  6. Step 6: Final answer
    x = 14,846.27

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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.