Home / 31,085.70-46,615.05-14,440.20

Finding the Fourth Proportional to 31,085.70, 46,615.05 and 14,440.20

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Solution

The fourth proportional to 31,085.70, 46,615.05 and 14,440.20 is: 21,654.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,085.70 : 46,615.05 = 14,440.20 : x
  2. Step 2: Convert to fraction form
    31,085.70/46,615.05 = 14,440.20/x
  3. Step 3: Cross multiply
    31,085.70x = 46,615.05 × 14,440.20
  4. Step 4: Simplify right side
    31,085.70x = 673,130,645.01
  5. Step 5: Solve for x
    x = 673,130,645.01/31,085.70
  6. Step 6: Final answer
    x = 21,654.03

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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.