Home / 43,135.80-64,677.30-16,810.20

Finding the Fourth Proportional to 43,135.80, 64,677.30 and 16,810.20

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Solution

The fourth proportional to 43,135.80, 64,677.30 and 16,810.20 is: 25,205.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,135.80 : 64,677.30 = 16,810.20 : x
  2. Step 2: Convert to fraction form
    43,135.80/64,677.30 = 16,810.20/x
  3. Step 3: Cross multiply
    43,135.80x = 64,677.30 × 16,810.20
  4. Step 4: Simplify right side
    43,135.80x = 1,087,238,348.46
  5. Step 5: Solve for x
    x = 1,087,238,348.46/43,135.80
  6. Step 6: Final answer
    x = 25,205.01

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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.