Home / 55,343.63-76,373.86-31,470.31

Finding the Fourth Proportional to 55,343.63, 76,373.86 and 31,470.31

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Solution

The fourth proportional to 55,343.63, 76,373.86 and 31,470.31 is: 43,428.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,343.63 : 76,373.86 = 31,470.31 : x
  2. Step 2: Convert to fraction form
    55,343.63/76,373.86 = 31,470.31/x
  3. Step 3: Cross multiply
    55,343.63x = 76,373.86 × 31,470.31
  4. Step 4: Simplify right side
    55,343.63x = 2,403,509,050.10
  5. Step 5: Solve for x
    x = 2,403,509,050.10/55,343.63
  6. Step 6: Final answer
    x = 43,428.83

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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.