Home / 55,315.68-76,334-31,444.96

Finding the Fourth Proportional to 55,315.68, 76,334 and 31,444.96

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Solution

The fourth proportional to 55,315.68, 76,334 and 31,444.96 is: 43,393.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,315.68 : 76,334 = 31,444.96 : x
  2. Step 2: Convert to fraction form
    55,315.68/76,334 = 31,444.96/x
  3. Step 3: Cross multiply
    55,315.68x = 76,334 × 31,444.96
  4. Step 4: Simplify right side
    55,315.68x = 2,400,319,576.64
  5. Step 5: Solve for x
    x = 2,400,319,576.64/55,315.68
  6. Step 6: Final answer
    x = 43,393.11

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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.