Home / 57,725.40-79,639.12-35,055.83

Finding the Fourth Proportional to 57,725.40, 79,639.12 and 35,055.83

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Solution

The fourth proportional to 57,725.40, 79,639.12 and 35,055.83 is: 48,363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,725.40 : 79,639.12 = 35,055.83 : x
  2. Step 2: Convert to fraction form
    57,725.40/79,639.12 = 35,055.83/x
  3. Step 3: Cross multiply
    57,725.40x = 79,639.12 × 35,055.83
  4. Step 4: Simplify right side
    57,725.40x = 2,791,814,878.59
  5. Step 5: Solve for x
    x = 2,791,814,878.59/57,725.40
  6. Step 6: Final answer
    x = 48,363.72

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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.