Home / 31,668.64-47,457.60-17,788.48

Finding the Fourth Proportional to 31,668.64, 47,457.60 and 17,788.48

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Solution

The fourth proportional to 31,668.64, 47,457.60 and 17,788.48 is: 26,657.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,668.64 : 47,457.60 = 17,788.48 : x
  2. Step 2: Convert to fraction form
    31,668.64/47,457.60 = 17,788.48/x
  3. Step 3: Cross multiply
    31,668.64x = 47,457.60 × 17,788.48
  4. Step 4: Simplify right side
    31,668.64x = 844,198,568.45
  5. Step 5: Solve for x
    x = 844,198,568.45/31,668.64
  6. Step 6: Final answer
    x = 26,657.24

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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.