Home / 35,435.80-53,153.70-10,811.80

Finding the Fourth Proportional to 35,435.80, 53,153.70 and 10,811.80

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Solution

The fourth proportional to 35,435.80, 53,153.70 and 10,811.80 is: 16,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,435.80 : 53,153.70 = 10,811.80 : x
  2. Step 2: Convert to fraction form
    35,435.80/53,153.70 = 10,811.80/x
  3. Step 3: Cross multiply
    35,435.80x = 53,153.70 × 10,811.80
  4. Step 4: Simplify right side
    35,435.80x = 574,687,173.66
  5. Step 5: Solve for x
    x = 574,687,173.66/35,435.80
  6. Step 6: Final answer
    x = 16,217.70

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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.