Home / 39,011.54-53,835.91-22,019.35

Finding the Fourth Proportional to 39,011.54, 53,835.91 and 22,019.35

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Solution

The fourth proportional to 39,011.54, 53,835.91 and 22,019.35 is: 30,386.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,011.54 : 53,835.91 = 22,019.35 : x
  2. Step 2: Convert to fraction form
    39,011.54/53,835.91 = 22,019.35/x
  3. Step 3: Cross multiply
    39,011.54x = 53,835.91 × 22,019.35
  4. Step 4: Simplify right side
    39,011.54x = 1,185,431,869.51
  5. Step 5: Solve for x
    x = 1,185,431,869.51/39,011.54
  6. Step 6: Final answer
    x = 30,386.69

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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.