Home / 53,501.30-80,253.04-20,237.12

Finding the Fourth Proportional to 53,501.30, 80,253.04 and 20,237.12

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Solution

The fourth proportional to 53,501.30, 80,253.04 and 20,237.12 is: 30,356.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,501.30 : 80,253.04 = 20,237.12 : x
  2. Step 2: Convert to fraction form
    53,501.30/80,253.04 = 20,237.12/x
  3. Step 3: Cross multiply
    53,501.30x = 80,253.04 × 20,237.12
  4. Step 4: Simplify right side
    53,501.30x = 1,624,090,400.84
  5. Step 5: Solve for x
    x = 1,624,090,400.84/53,501.30
  6. Step 6: Final answer
    x = 30,356.09

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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.