Home / 53,483.72-73,815.23-30,818.36

Finding the Fourth Proportional to 53,483.72, 73,815.23 and 30,818.36

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Solution

The fourth proportional to 53,483.72, 73,815.23 and 30,818.36 is: 42,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,483.72 : 73,815.23 = 30,818.36 : x
  2. Step 2: Convert to fraction form
    53,483.72/73,815.23 = 30,818.36/x
  3. Step 3: Cross multiply
    53,483.72x = 73,815.23 × 30,818.36
  4. Step 4: Simplify right side
    53,483.72x = 2,274,864,593.21
  5. Step 5: Solve for x
    x = 2,274,864,593.21/53,483.72
  6. Step 6: Final answer
    x = 42,533.78

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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.