Home / 52,658.46-72,668.67-28,785.12

Finding the Fourth Proportional to 52,658.46, 72,668.67 and 28,785.12

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Solution

The fourth proportional to 52,658.46, 72,668.67 and 28,785.12 is: 39,723.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,658.46 : 72,668.67 = 28,785.12 : x
  2. Step 2: Convert to fraction form
    52,658.46/72,668.67 = 28,785.12/x
  3. Step 3: Cross multiply
    52,658.46x = 72,668.67 × 28,785.12
  4. Step 4: Simplify right side
    52,658.46x = 2,091,776,386.19
  5. Step 5: Solve for x
    x = 2,091,776,386.19/52,658.46
  6. Step 6: Final answer
    x = 39,723.46

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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.