Home / 62,078.16-85,668.39-35,220.72

Finding the Fourth Proportional to 62,078.16, 85,668.39 and 35,220.72

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Solution

The fourth proportional to 62,078.16, 85,668.39 and 35,220.72 is: 48,604.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,078.16 : 85,668.39 = 35,220.72 : x
  2. Step 2: Convert to fraction form
    62,078.16/85,668.39 = 35,220.72/x
  3. Step 3: Cross multiply
    62,078.16x = 85,668.39 × 35,220.72
  4. Step 4: Simplify right side
    62,078.16x = 3,017,302,377.04
  5. Step 5: Solve for x
    x = 3,017,302,377.04/62,078.16
  6. Step 6: Final answer
    x = 48,604.89

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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.