Home / 35,533.20-53,302.64-20,743.62

Finding the Fourth Proportional to 35,533.20, 53,302.64 and 20,743.62

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Solution

The fourth proportional to 35,533.20, 53,302.64 and 20,743.62 is: 31,117.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,533.20 : 53,302.64 = 20,743.62 : x
  2. Step 2: Convert to fraction form
    35,533.20/53,302.64 = 20,743.62/x
  3. Step 3: Cross multiply
    35,533.20x = 53,302.64 × 20,743.62
  4. Step 4: Simplify right side
    35,533.20x = 1,105,689,709.16
  5. Step 5: Solve for x
    x = 1,105,689,709.16/35,533.20
  6. Step 6: Final answer
    x = 31,117.09

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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.