Home / 39,412.17-54,384.01-22,418.57

Finding the Fourth Proportional to 39,412.17, 54,384.01 and 22,418.57

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Solution

The fourth proportional to 39,412.17, 54,384.01 and 22,418.57 is: 30,934.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,412.17 : 54,384.01 = 22,418.57 : x
  2. Step 2: Convert to fraction form
    39,412.17/54,384.01 = 22,418.57/x
  3. Step 3: Cross multiply
    39,412.17x = 54,384.01 × 22,418.57
  4. Step 4: Simplify right side
    39,412.17x = 1,219,211,814.98
  5. Step 5: Solve for x
    x = 1,219,211,814.98/39,412.17
  6. Step 6: Final answer
    x = 30,934.91

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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.