Home / 30,282.44-45,410.70-10,555.16

Finding the Fourth Proportional to 30,282.44, 45,410.70 and 10,555.16

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Solution

The fourth proportional to 30,282.44, 45,410.70 and 10,555.16 is: 15,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,282.44 : 45,410.70 = 10,555.16 : x
  2. Step 2: Convert to fraction form
    30,282.44/45,410.70 = 10,555.16/x
  3. Step 3: Cross multiply
    30,282.44x = 45,410.70 × 10,555.16
  4. Step 4: Simplify right side
    30,282.44x = 479,317,204.21
  5. Step 5: Solve for x
    x = 479,317,204.21/30,282.44
  6. Step 6: Final answer
    x = 15,828.22

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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.