Home / 30,297.80-45,435.66-10,570.76

Finding the Fourth Proportional to 30,297.80, 45,435.66 and 10,570.76

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Solution

The fourth proportional to 30,297.80, 45,435.66 and 10,570.76 is: 15,852.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,297.80 : 45,435.66 = 10,570.76 : x
  2. Step 2: Convert to fraction form
    30,297.80/45,435.66 = 10,570.76/x
  3. Step 3: Cross multiply
    30,297.80x = 45,435.66 × 10,570.76
  4. Step 4: Simplify right side
    30,297.80x = 480,289,457.30
  5. Step 5: Solve for x
    x = 480,289,457.30/30,297.80
  6. Step 6: Final answer
    x = 15,852.29

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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.