Home / 35,780.82-53,666.37-13,599.78

Finding the Fourth Proportional to 35,780.82, 53,666.37 and 13,599.78

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Solution

The fourth proportional to 35,780.82, 53,666.37 and 13,599.78 is: 20,397.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,780.82 : 53,666.37 = 13,599.78 : x
  2. Step 2: Convert to fraction form
    35,780.82/53,666.37 = 13,599.78/x
  3. Step 3: Cross multiply
    35,780.82x = 53,666.37 × 13,599.78
  4. Step 4: Simplify right side
    35,780.82x = 729,850,825.40
  5. Step 5: Solve for x
    x = 729,850,825.40/35,780.82
  6. Step 6: Final answer
    x = 20,397.82

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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.