Home / 30,084.06-45,099.30-14,279.34

Finding the Fourth Proportional to 30,084.06, 45,099.30 and 14,279.34

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Solution

The fourth proportional to 30,084.06, 45,099.30 and 14,279.34 is: 21,406.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,084.06 : 45,099.30 = 14,279.34 : x
  2. Step 2: Convert to fraction form
    30,084.06/45,099.30 = 14,279.34/x
  3. Step 3: Cross multiply
    30,084.06x = 45,099.30 × 14,279.34
  4. Step 4: Simplify right side
    30,084.06x = 643,988,238.46
  5. Step 5: Solve for x
    x = 643,988,238.46/30,084.06
  6. Step 6: Final answer
    x = 21,406.29

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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.