Home / 55,276.44-76,293.80-35,129.40

Finding the Fourth Proportional to 55,276.44, 76,293.80 and 35,129.40

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Solution

The fourth proportional to 55,276.44, 76,293.80 and 35,129.40 is: 48,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.44 : 76,293.80 = 35,129.40 : x
  2. Step 2: Convert to fraction form
    55,276.44/76,293.80 = 35,129.40/x
  3. Step 3: Cross multiply
    55,276.44x = 76,293.80 × 35,129.40
  4. Step 4: Simplify right side
    55,276.44x = 2,680,155,417.72
  5. Step 5: Solve for x
    x = 2,680,155,417.72/55,276.44
  6. Step 6: Final answer
    x = 48,486.40

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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.