Home / 30,267.30-45,391.18-11,030.31

Finding the Fourth Proportional to 30,267.30, 45,391.18 and 11,030.31

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Solution

The fourth proportional to 30,267.30, 45,391.18 and 11,030.31 is: 16,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,267.30 : 45,391.18 = 11,030.31 : x
  2. Step 2: Convert to fraction form
    30,267.30/45,391.18 = 11,030.31/x
  3. Step 3: Cross multiply
    30,267.30x = 45,391.18 × 11,030.31
  4. Step 4: Simplify right side
    30,267.30x = 500,678,786.67
  5. Step 5: Solve for x
    x = 500,678,786.67/30,267.30
  6. Step 6: Final answer
    x = 16,541.90

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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.