Home / 30,011.03-45,023.24-11,291.23

Finding the Fourth Proportional to 30,011.03, 45,023.24 and 11,291.23

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Solution

The fourth proportional to 30,011.03, 45,023.24 and 11,291.23 is: 16,939.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,011.03 : 45,023.24 = 11,291.23 : x
  2. Step 2: Convert to fraction form
    30,011.03/45,023.24 = 11,291.23/x
  3. Step 3: Cross multiply
    30,011.03x = 45,023.24 × 11,291.23
  4. Step 4: Simplify right side
    30,011.03x = 508,367,758.19
  5. Step 5: Solve for x
    x = 508,367,758.19/30,011.03
  6. Step 6: Final answer
    x = 16,939.36

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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.