Home / 39,011.48-53,831.92-22,014.20

Finding the Fourth Proportional to 39,011.48, 53,831.92 and 22,014.20

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Solution

The fourth proportional to 39,011.48, 53,831.92 and 22,014.20 is: 30,377.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,011.48 : 53,831.92 = 22,014.20 : x
  2. Step 2: Convert to fraction form
    39,011.48/53,831.92 = 22,014.20/x
  3. Step 3: Cross multiply
    39,011.48x = 53,831.92 × 22,014.20
  4. Step 4: Simplify right side
    39,011.48x = 1,185,066,653.26
  5. Step 5: Solve for x
    x = 1,185,066,653.26/39,011.48
  6. Step 6: Final answer
    x = 30,377.38

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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.