Home / 39,013.24-53,838.77-22,018.42

Finding the Fourth Proportional to 39,013.24, 53,838.77 and 22,018.42

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Solution

The fourth proportional to 39,013.24, 53,838.77 and 22,018.42 is: 30,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,013.24 : 53,838.77 = 22,018.42 : x
  2. Step 2: Convert to fraction form
    39,013.24/53,838.77 = 22,018.42/x
  3. Step 3: Cross multiply
    39,013.24x = 53,838.77 × 22,018.42
  4. Step 4: Simplify right side
    39,013.24x = 1,185,444,650.14
  5. Step 5: Solve for x
    x = 1,185,444,650.14/39,013.24
  6. Step 6: Final answer
    x = 30,385.70

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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.