Home / 30,332.48-45,467.92-11,607.72

Finding the Fourth Proportional to 30,332.48, 45,467.92 and 11,607.72

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Solution

The fourth proportional to 30,332.48, 45,467.92 and 11,607.72 is: 17,399.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,332.48 : 45,467.92 = 11,607.72 : x
  2. Step 2: Convert to fraction form
    30,332.48/45,467.92 = 11,607.72/x
  3. Step 3: Cross multiply
    30,332.48x = 45,467.92 × 11,607.72
  4. Step 4: Simplify right side
    30,332.48x = 527,778,884.34
  5. Step 5: Solve for x
    x = 527,778,884.34/30,332.48
  6. Step 6: Final answer
    x = 17,399.79

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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.