Home / 30,063.84-45,061.68-21,714.36

Finding the Fourth Proportional to 30,063.84, 45,061.68 and 21,714.36

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Solution

The fourth proportional to 30,063.84, 45,061.68 and 21,714.36 is: 32,546.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,063.84 : 45,061.68 = 21,714.36 : x
  2. Step 2: Convert to fraction form
    30,063.84/45,061.68 = 21,714.36/x
  3. Step 3: Cross multiply
    30,063.84x = 45,061.68 × 21,714.36
  4. Step 4: Simplify right side
    30,063.84x = 978,485,541.72
  5. Step 5: Solve for x
    x = 978,485,541.72/30,063.84
  6. Step 6: Final answer
    x = 32,546.92

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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.