Home / 45,857.36-63,256.34-28,834.65

Finding the Fourth Proportional to 45,857.36, 63,256.34 and 28,834.65

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Solution

The fourth proportional to 45,857.36, 63,256.34 and 28,834.65 is: 39,774.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,857.36 : 63,256.34 = 28,834.65 : x
  2. Step 2: Convert to fraction form
    45,857.36/63,256.34 = 28,834.65/x
  3. Step 3: Cross multiply
    45,857.36x = 63,256.34 × 28,834.65
  4. Step 4: Simplify right side
    45,857.36x = 1,823,974,496.27
  5. Step 5: Solve for x
    x = 1,823,974,496.27/45,857.36
  6. Step 6: Final answer
    x = 39,774.96

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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.