Home / 38,968.62-58,459.80-12,668.72

Finding the Fourth Proportional to 38,968.62, 58,459.80 and 12,668.72

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Solution

The fourth proportional to 38,968.62, 58,459.80 and 12,668.72 is: 19,005.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,968.62 : 58,459.80 = 12,668.72 : x
  2. Step 2: Convert to fraction form
    38,968.62/58,459.80 = 12,668.72/x
  3. Step 3: Cross multiply
    38,968.62x = 58,459.80 × 12,668.72
  4. Step 4: Simplify right side
    38,968.62x = 740,610,837.46
  5. Step 5: Solve for x
    x = 740,610,837.46/38,968.62
  6. Step 6: Final answer
    x = 19,005.31

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1.5x scale

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.