Home / 38,776.14-58,153.59-10,689.57

Finding the Fourth Proportional to 38,776.14, 58,153.59 and 10,689.57

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Solution

The fourth proportional to 38,776.14, 58,153.59 and 10,689.57 is: 16,031.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,776.14 : 58,153.59 = 10,689.57 : x
  2. Step 2: Convert to fraction form
    38,776.14/58,153.59 = 10,689.57/x
  3. Step 3: Cross multiply
    38,776.14x = 58,153.59 × 10,689.57
  4. Step 4: Simplify right side
    38,776.14x = 621,636,871.06
  5. Step 5: Solve for x
    x = 621,636,871.06/38,776.14
  6. Step 6: Final answer
    x = 16,031.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.