Home / 55,831.60-77,046-31,957.48

Finding the Fourth Proportional to 55,831.60, 77,046 and 31,957.48

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Solution

The fourth proportional to 55,831.60, 77,046 and 31,957.48 is: 44,100.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,831.60 : 77,046 = 31,957.48 : x
  2. Step 2: Convert to fraction form
    55,831.60/77,046 = 31,957.48/x
  3. Step 3: Cross multiply
    55,831.60x = 77,046 × 31,957.48
  4. Step 4: Simplify right side
    55,831.60x = 2,462,196,004.08
  5. Step 5: Solve for x
    x = 2,462,196,004.08/55,831.60
  6. Step 6: Final answer
    x = 44,100.40

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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.