Home / 30,036.17-45,027.08-14,231.34

Finding the Fourth Proportional to 30,036.17, 45,027.08 and 14,231.34

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Solution

The fourth proportional to 30,036.17, 45,027.08 and 14,231.34 is: 21,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,036.17 : 45,027.08 = 14,231.34 : x
  2. Step 2: Convert to fraction form
    30,036.17/45,027.08 = 14,231.34/x
  3. Step 3: Cross multiply
    30,036.17x = 45,027.08 × 14,231.34
  4. Step 4: Simplify right side
    30,036.17x = 640,795,613.53
  5. Step 5: Solve for x
    x = 640,795,613.53/30,036.17
  6. Step 6: Final answer
    x = 21,334.13

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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.