Home / 35,555.34-49,066.18-19,639.74

Finding the Fourth Proportional to 35,555.34, 49,066.18 and 19,639.74

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Solution

The fourth proportional to 35,555.34, 49,066.18 and 19,639.74 is: 27,102.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,555.34 : 49,066.18 = 19,639.74 : x
  2. Step 2: Convert to fraction form
    35,555.34/49,066.18 = 19,639.74/x
  3. Step 3: Cross multiply
    35,555.34x = 49,066.18 × 19,639.74
  4. Step 4: Simplify right side
    35,555.34x = 963,647,017.99
  5. Step 5: Solve for x
    x = 963,647,017.99/35,555.34
  6. Step 6: Final answer
    x = 27,102.74

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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.