Home / 35,695.93-49,259.67-19,780.51

Finding the Fourth Proportional to 35,695.93, 49,259.67 and 19,780.51

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Solution

The fourth proportional to 35,695.93, 49,259.67 and 19,780.51 is: 27,296.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,695.93 : 49,259.67 = 19,780.51 : x
  2. Step 2: Convert to fraction form
    35,695.93/49,259.67 = 19,780.51/x
  3. Step 3: Cross multiply
    35,695.93x = 49,259.67 × 19,780.51
  4. Step 4: Simplify right side
    35,695.93x = 974,381,395.03
  5. Step 5: Solve for x
    x = 974,381,395.03/35,695.93
  6. Step 6: Final answer
    x = 27,296.71

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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.