Home / 35,699.80-49,266.12-19,784.56

Finding the Fourth Proportional to 35,699.80, 49,266.12 and 19,784.56

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Solution

The fourth proportional to 35,699.80, 49,266.12 and 19,784.56 is: 27,302.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,699.80 : 49,266.12 = 19,784.56 : x
  2. Step 2: Convert to fraction form
    35,699.80/49,266.12 = 19,784.56/x
  3. Step 3: Cross multiply
    35,699.80x = 49,266.12 × 19,784.56
  4. Step 4: Simplify right side
    35,699.80x = 974,708,507.11
  5. Step 5: Solve for x
    x = 974,708,507.11/35,699.80
  6. Step 6: Final answer
    x = 27,302.91

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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.