Home / 53,533.38-80,305.53-18,472.93

Finding the Fourth Proportional to 53,533.38, 80,305.53 and 18,472.93

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Solution

The fourth proportional to 53,533.38, 80,305.53 and 18,472.93 is: 27,711.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,533.38 : 80,305.53 = 18,472.93 : x
  2. Step 2: Convert to fraction form
    53,533.38/80,305.53 = 18,472.93/x
  3. Step 3: Cross multiply
    53,533.38x = 80,305.53 × 18,472.93
  4. Step 4: Simplify right side
    53,533.38x = 1,483,478,434.30
  5. Step 5: Solve for x
    x = 1,483,478,434.30/53,533.38
  6. Step 6: Final answer
    x = 27,711.28

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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.