Home / 35,780.52-53,671.29-10,820.79

Finding the Fourth Proportional to 35,780.52, 53,671.29 and 10,820.79

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Solution

The fourth proportional to 35,780.52, 53,671.29 and 10,820.79 is: 16,231.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,780.52 : 53,671.29 = 10,820.79 : x
  2. Step 2: Convert to fraction form
    35,780.52/53,671.29 = 10,820.79/x
  3. Step 3: Cross multiply
    35,780.52x = 53,671.29 × 10,820.79
  4. Step 4: Simplify right side
    35,780.52x = 580,765,758.12
  5. Step 5: Solve for x
    x = 580,765,758.12/35,780.52
  6. Step 6: Final answer
    x = 16,231.34

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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.