Home / 35,262.84-48,661.38-20,154.72

Finding the Fourth Proportional to 35,262.84, 48,661.38 and 20,154.72

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Solution

The fourth proportional to 35,262.84, 48,661.38 and 20,154.72 is: 27,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,262.84 : 48,661.38 = 20,154.72 : x
  2. Step 2: Convert to fraction form
    35,262.84/48,661.38 = 20,154.72/x
  3. Step 3: Cross multiply
    35,262.84x = 48,661.38 × 20,154.72
  4. Step 4: Simplify right side
    35,262.84x = 980,756,488.71
  5. Step 5: Solve for x
    x = 980,756,488.71/35,262.84
  6. Step 6: Final answer
    x = 27,812.75

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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.