Home / 53,605.78-73,982.64-30,946.30

Finding the Fourth Proportional to 53,605.78, 73,982.64 and 30,946.30

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Solution

The fourth proportional to 53,605.78, 73,982.64 and 30,946.30 is: 42,709.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,605.78 : 73,982.64 = 30,946.30 : x
  2. Step 2: Convert to fraction form
    53,605.78/73,982.64 = 30,946.30/x
  3. Step 3: Cross multiply
    53,605.78x = 73,982.64 × 30,946.30
  4. Step 4: Simplify right side
    53,605.78x = 2,289,488,972.23
  5. Step 5: Solve for x
    x = 2,289,488,972.23/53,605.78
  6. Step 6: Final answer
    x = 42,709.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.