Home / 30,533.52-45,740.64-21,044.14

Finding the Fourth Proportional to 30,533.52, 45,740.64 and 21,044.14

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Solution

The fourth proportional to 30,533.52, 45,740.64 and 21,044.14 is: 31,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,533.52 : 45,740.64 = 21,044.14 : x
  2. Step 2: Convert to fraction form
    30,533.52/45,740.64 = 21,044.14/x
  3. Step 3: Cross multiply
    30,533.52x = 45,740.64 × 21,044.14
  4. Step 4: Simplify right side
    30,533.52x = 962,572,431.85
  5. Step 5: Solve for x
    x = 962,572,431.85/30,533.52
  6. Step 6: Final answer
    x = 31,525.11

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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.