Home / 35,776.42-49,373.69-19,861.13

Finding the Fourth Proportional to 35,776.42, 49,373.69 and 19,861.13

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Solution

The fourth proportional to 35,776.42, 49,373.69 and 19,861.13 is: 27,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,776.42 : 49,373.69 = 19,861.13 : x
  2. Step 2: Convert to fraction form
    35,776.42/49,373.69 = 19,861.13/x
  3. Step 3: Cross multiply
    35,776.42x = 49,373.69 × 19,861.13
  4. Step 4: Simplify right side
    35,776.42x = 980,617,299.80
  5. Step 5: Solve for x
    x = 980,617,299.80/35,776.42
  6. Step 6: Final answer
    x = 27,409.60

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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.