Home / 45,857.61-63,256.69-28,834.90

Finding the Fourth Proportional to 45,857.61, 63,256.69 and 28,834.90

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Solution

The fourth proportional to 45,857.61, 63,256.69 and 28,834.90 is: 39,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,857.61 : 63,256.69 = 28,834.90 : x
  2. Step 2: Convert to fraction form
    45,857.61/63,256.69 = 28,834.90/x
  3. Step 3: Cross multiply
    45,857.61x = 63,256.69 × 28,834.90
  4. Step 4: Simplify right side
    45,857.61x = 1,824,000,258.39
  5. Step 5: Solve for x
    x = 1,824,000,258.39/45,857.61
  6. Step 6: Final answer
    x = 39,775.30

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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.