Home / 55,457.88-76,531.87-30,307.38

Finding the Fourth Proportional to 55,457.88, 76,531.87 and 30,307.38

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Solution

The fourth proportional to 55,457.88, 76,531.87 and 30,307.38 is: 41,824.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,457.88 : 76,531.87 = 30,307.38 : x
  2. Step 2: Convert to fraction form
    55,457.88/76,531.87 = 30,307.38/x
  3. Step 3: Cross multiply
    55,457.88x = 76,531.87 × 30,307.38
  4. Step 4: Simplify right side
    55,457.88x = 2,319,480,466.20
  5. Step 5: Solve for x
    x = 2,319,480,466.20/55,457.88
  6. Step 6: Final answer
    x = 41,824.18

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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.