Home / 39,209.16-58,780.68-17,005.81

Finding the Fourth Proportional to 39,209.16, 58,780.68 and 17,005.81

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Solution

The fourth proportional to 39,209.16, 58,780.68 and 17,005.81 is: 25,494.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,209.16 : 58,780.68 = 17,005.81 : x
  2. Step 2: Convert to fraction form
    39,209.16/58,780.68 = 17,005.81/x
  3. Step 3: Cross multiply
    39,209.16x = 58,780.68 × 17,005.81
  4. Step 4: Simplify right side
    39,209.16x = 999,613,211.15
  5. Step 5: Solve for x
    x = 999,613,211.15/39,209.16
  6. Step 6: Final answer
    x = 25,494.38

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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.