Home / 30,039.14-45,030.83-14,251.59

Finding the Fourth Proportional to 30,039.14, 45,030.83 and 14,251.59

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Solution

The fourth proportional to 30,039.14, 45,030.83 and 14,251.59 is: 21,364.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,039.14 : 45,030.83 = 14,251.59 : x
  2. Step 2: Convert to fraction form
    30,039.14/45,030.83 = 14,251.59/x
  3. Step 3: Cross multiply
    30,039.14x = 45,030.83 × 14,251.59
  4. Step 4: Simplify right side
    30,039.14x = 641,760,855.26
  5. Step 5: Solve for x
    x = 641,760,855.26/30,039.14
  6. Step 6: Final answer
    x = 21,364.16

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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.