Home / 35,658.39-49,210.12-19,742.84

Finding the Fourth Proportional to 35,658.39, 49,210.12 and 19,742.84

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Solution

The fourth proportional to 35,658.39, 49,210.12 and 19,742.84 is: 27,245.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,658.39 : 49,210.12 = 19,742.84 : x
  2. Step 2: Convert to fraction form
    35,658.39/49,210.12 = 19,742.84/x
  3. Step 3: Cross multiply
    35,658.39x = 49,210.12 × 19,742.84
  4. Step 4: Simplify right side
    35,658.39x = 971,547,599.21
  5. Step 5: Solve for x
    x = 971,547,599.21/35,658.39
  6. Step 6: Final answer
    x = 27,245.97

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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.