Home / 39,234.80-58,852.20-20,802.80

Finding the Fourth Proportional to 39,234.80, 58,852.20 and 20,802.80

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Solution

The fourth proportional to 39,234.80, 58,852.20 and 20,802.80 is: 31,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,234.80 : 58,852.20 = 20,802.80 : x
  2. Step 2: Convert to fraction form
    39,234.80/58,852.20 = 20,802.80/x
  3. Step 3: Cross multiply
    39,234.80x = 58,852.20 × 20,802.80
  4. Step 4: Simplify right side
    39,234.80x = 1,224,290,546.16
  5. Step 5: Solve for x
    x = 1,224,290,546.16/39,234.80
  6. Step 6: Final answer
    x = 31,204.20

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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.