Home / 47,451.18-65,492.64-39,485.64

Finding the Fourth Proportional to 47,451.18, 65,492.64 and 39,485.64

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Solution

The fourth proportional to 47,451.18, 65,492.64 and 39,485.64 is: 54,498.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,451.18 : 65,492.64 = 39,485.64 : x
  2. Step 2: Convert to fraction form
    47,451.18/65,492.64 = 39,485.64/x
  3. Step 3: Cross multiply
    47,451.18x = 65,492.64 × 39,485.64
  4. Step 4: Simplify right side
    47,451.18x = 2,586,018,805.69
  5. Step 5: Solve for x
    x = 2,586,018,805.69/47,451.18
  6. Step 6: Final answer
    x = 54,498.51

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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.