Home / 39,012.46-53,837.16-22,020.28

Finding the Fourth Proportional to 39,012.46, 53,837.16 and 22,020.28

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Solution

The fourth proportional to 39,012.46, 53,837.16 and 22,020.28 is: 30,387.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,012.46 : 53,837.16 = 22,020.28 : x
  2. Step 2: Convert to fraction form
    39,012.46/53,837.16 = 22,020.28/x
  3. Step 3: Cross multiply
    39,012.46x = 53,837.16 × 22,020.28
  4. Step 4: Simplify right side
    39,012.46x = 1,185,509,337.60
  5. Step 5: Solve for x
    x = 1,185,509,337.60/39,012.46
  6. Step 6: Final answer
    x = 30,387.97

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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.