Home / 35,985.30-49,659.93-20,070.78

Finding the Fourth Proportional to 35,985.30, 49,659.93 and 20,070.78

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Solution

The fourth proportional to 35,985.30, 49,659.93 and 20,070.78 is: 27,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,985.30 : 49,659.93 = 20,070.78 : x
  2. Step 2: Convert to fraction form
    35,985.30/49,659.93 = 20,070.78/x
  3. Step 3: Cross multiply
    35,985.30x = 49,659.93 × 20,070.78
  4. Step 4: Simplify right side
    35,985.30x = 996,713,529.85
  5. Step 5: Solve for x
    x = 996,713,529.85/35,985.30
  6. Step 6: Final answer
    x = 27,697.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.