Home / 57,746.14-86,613.63-39,145.75

Finding the Fourth Proportional to 57,746.14, 86,613.63 and 39,145.75

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Solution

The fourth proportional to 57,746.14, 86,613.63 and 39,145.75 is: 58,714.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,746.14 : 86,613.63 = 39,145.75 : x
  2. Step 2: Convert to fraction form
    57,746.14/86,613.63 = 39,145.75/x
  3. Step 3: Cross multiply
    57,746.14x = 86,613.63 × 39,145.75
  4. Step 4: Simplify right side
    57,746.14x = 3,390,555,506.57
  5. Step 5: Solve for x
    x = 3,390,555,506.57/57,746.14
  6. Step 6: Final answer
    x = 58,714.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.