Home / 55,489.08-76,615.02-34,297.40

Finding the Fourth Proportional to 55,489.08, 76,615.02 and 34,297.40

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Solution

The fourth proportional to 55,489.08, 76,615.02 and 34,297.40 is: 47,355.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,489.08 : 76,615.02 = 34,297.40 : x
  2. Step 2: Convert to fraction form
    55,489.08/76,615.02 = 34,297.40/x
  3. Step 3: Cross multiply
    55,489.08x = 76,615.02 × 34,297.40
  4. Step 4: Simplify right side
    55,489.08x = 2,627,695,986.95
  5. Step 5: Solve for x
    x = 2,627,695,986.95/55,489.08
  6. Step 6: Final answer
    x = 47,355.19

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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.