Home / 55,831.47-77,048.28-30,338.34

Finding the Fourth Proportional to 55,831.47, 77,048.28 and 30,338.34

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Solution

The fourth proportional to 55,831.47, 77,048.28 and 30,338.34 is: 41,867.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,831.47 : 77,048.28 = 30,338.34 : x
  2. Step 2: Convert to fraction form
    55,831.47/77,048.28 = 30,338.34/x
  3. Step 3: Cross multiply
    55,831.47x = 77,048.28 × 30,338.34
  4. Step 4: Simplify right side
    55,831.47x = 2,337,516,915.06
  5. Step 5: Solve for x
    x = 2,337,516,915.06/55,831.47
  6. Step 6: Final answer
    x = 41,867.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.