Home / 39,540.03-59,310.06-11,460.12

Finding the Fourth Proportional to 39,540.03, 59,310.06 and 11,460.12

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Solution

The fourth proportional to 39,540.03, 59,310.06 and 11,460.12 is: 17,190.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,540.03 : 59,310.06 = 11,460.12 : x
  2. Step 2: Convert to fraction form
    39,540.03/59,310.06 = 11,460.12/x
  3. Step 3: Cross multiply
    39,540.03x = 59,310.06 × 11,460.12
  4. Step 4: Simplify right side
    39,540.03x = 679,700,404.81
  5. Step 5: Solve for x
    x = 679,700,404.81/39,540.03
  6. Step 6: Final answer
    x = 17,190.18

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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.