Home / 35,895.79-49,535.67-19,980.22

Finding the Fourth Proportional to 35,895.79, 49,535.67 and 19,980.22

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Solution

The fourth proportional to 35,895.79, 49,535.67 and 19,980.22 is: 27,572.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,895.79 : 49,535.67 = 19,980.22 : x
  2. Step 2: Convert to fraction form
    35,895.79/49,535.67 = 19,980.22/x
  3. Step 3: Cross multiply
    35,895.79x = 49,535.67 × 19,980.22
  4. Step 4: Simplify right side
    35,895.79x = 989,733,584.45
  5. Step 5: Solve for x
    x = 989,733,584.45/35,895.79
  6. Step 6: Final answer
    x = 27,572.41

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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.