Home / 30,303.04-45,475.30-10,581.60

Finding the Fourth Proportional to 30,303.04, 45,475.30 and 10,581.60

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Solution

The fourth proportional to 30,303.04, 45,475.30 and 10,581.60 is: 15,879.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,303.04 : 45,475.30 = 10,581.60 : x
  2. Step 2: Convert to fraction form
    30,303.04/45,475.30 = 10,581.60/x
  3. Step 3: Cross multiply
    30,303.04x = 45,475.30 × 10,581.60
  4. Step 4: Simplify right side
    30,303.04x = 481,201,434.48
  5. Step 5: Solve for x
    x = 481,201,434.48/30,303.04
  6. Step 6: Final answer
    x = 15,879.64

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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.