Home / 55,422.90-76,483.70-31,549.58

Finding the Fourth Proportional to 55,422.90, 76,483.70 and 31,549.58

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Solution

The fourth proportional to 55,422.90, 76,483.70 and 31,549.58 is: 43,538.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,422.90 : 76,483.70 = 31,549.58 : x
  2. Step 2: Convert to fraction form
    55,422.90/76,483.70 = 31,549.58/x
  3. Step 3: Cross multiply
    55,422.90x = 76,483.70 × 31,549.58
  4. Step 4: Simplify right side
    55,422.90x = 2,413,028,611.85
  5. Step 5: Solve for x
    x = 2,413,028,611.85/55,422.90
  6. Step 6: Final answer
    x = 43,538.48

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1.5x scale

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.