Home / 35,695.36-49,259.96-19,780.16

Finding the Fourth Proportional to 35,695.36, 49,259.96 and 19,780.16

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Solution

The fourth proportional to 35,695.36, 49,259.96 and 19,780.16 is: 27,296.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,695.36 : 49,259.96 = 19,780.16 : x
  2. Step 2: Convert to fraction form
    35,695.36/49,259.96 = 19,780.16/x
  3. Step 3: Cross multiply
    35,695.36x = 49,259.96 × 19,780.16
  4. Step 4: Simplify right side
    35,695.36x = 974,369,890.39
  5. Step 5: Solve for x
    x = 974,369,890.39/35,695.36
  6. Step 6: Final answer
    x = 27,296.82

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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.