Home / 30,108.90-45,164.57-7,924.52

Finding the Fourth Proportional to 30,108.90, 45,164.57 and 7,924.52

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Solution

The fourth proportional to 30,108.90, 45,164.57 and 7,924.52 is: 11,887.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.90 : 45,164.57 = 7,924.52 : x
  2. Step 2: Convert to fraction form
    30,108.90/45,164.57 = 7,924.52/x
  3. Step 3: Cross multiply
    30,108.90x = 45,164.57 × 7,924.52
  4. Step 4: Simplify right side
    30,108.90x = 357,907,272.81
  5. Step 5: Solve for x
    x = 357,907,272.81/30,108.90
  6. Step 6: Final answer
    x = 11,887.09

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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.