Home / 39,011.84-53,833.80-22,018.88

Finding the Fourth Proportional to 39,011.84, 53,833.80 and 22,018.88

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Solution

The fourth proportional to 39,011.84, 53,833.80 and 22,018.88 is: 30,384.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,011.84 : 53,833.80 = 22,018.88 : x
  2. Step 2: Convert to fraction form
    39,011.84/53,833.80 = 22,018.88/x
  3. Step 3: Cross multiply
    39,011.84x = 53,833.80 × 22,018.88
  4. Step 4: Simplify right side
    39,011.84x = 1,185,359,982.14
  5. Step 5: Solve for x
    x = 1,185,359,982.14/39,011.84
  6. Step 6: Final answer
    x = 30,384.62

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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.