Home / 35,776.95-49,371.49-19,861.05

Finding the Fourth Proportional to 35,776.95, 49,371.49 and 19,861.05

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Solution

The fourth proportional to 35,776.95, 49,371.49 and 19,861.05 is: 27,407.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,776.95 : 49,371.49 = 19,861.05 : x
  2. Step 2: Convert to fraction form
    35,776.95/49,371.49 = 19,861.05/x
  3. Step 3: Cross multiply
    35,776.95x = 49,371.49 × 19,861.05
  4. Step 4: Simplify right side
    35,776.95x = 980,569,631.46
  5. Step 5: Solve for x
    x = 980,569,631.46/35,776.95
  6. Step 6: Final answer
    x = 27,407.86

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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.