Home / 35,705.76-49,274.24-19,790.48

Finding the Fourth Proportional to 35,705.76, 49,274.24 and 19,790.48

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Solution

The fourth proportional to 35,705.76, 49,274.24 and 19,790.48 is: 27,311.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,705.76 : 49,274.24 = 19,790.48 : x
  2. Step 2: Convert to fraction form
    35,705.76/49,274.24 = 19,790.48/x
  3. Step 3: Cross multiply
    35,705.76x = 49,274.24 × 19,790.48
  4. Step 4: Simplify right side
    35,705.76x = 975,160,861.24
  5. Step 5: Solve for x
    x = 975,160,861.24/35,705.76
  6. Step 6: Final answer
    x = 27,311.02

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1.5x scale

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.