Home / 39,729.47-54,831.53-22,962.47

Finding the Fourth Proportional to 39,729.47, 54,831.53 and 22,962.47

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Solution

The fourth proportional to 39,729.47, 54,831.53 and 22,962.47 is: 31,691.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,729.47 : 54,831.53 = 22,962.47 : x
  2. Step 2: Convert to fraction form
    39,729.47/54,831.53 = 22,962.47/x
  3. Step 3: Cross multiply
    39,729.47x = 54,831.53 × 22,962.47
  4. Step 4: Simplify right side
    39,729.47x = 1,259,066,973.71
  5. Step 5: Solve for x
    x = 1,259,066,973.71/39,729.47
  6. Step 6: Final answer
    x = 31,691.01

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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.