Home / 35,902.60-53,856.30-12,209.80

Finding the Fourth Proportional to 35,902.60, 53,856.30 and 12,209.80

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Solution

The fourth proportional to 35,902.60, 53,856.30 and 12,209.80 is: 18,315.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,902.60 : 53,856.30 = 12,209.80 : x
  2. Step 2: Convert to fraction form
    35,902.60/53,856.30 = 12,209.80/x
  3. Step 3: Cross multiply
    35,902.60x = 53,856.30 × 12,209.80
  4. Step 4: Simplify right side
    35,902.60x = 657,574,651.74
  5. Step 5: Solve for x
    x = 657,574,651.74/35,902.60
  6. Step 6: Final answer
    x = 18,315.52

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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.