Home / 47,820.60-66,005.10-33,679.80

Finding the Fourth Proportional to 47,820.60, 66,005.10 and 33,679.80

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Solution

The fourth proportional to 47,820.60, 66,005.10 and 33,679.80 is: 46,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,820.60 : 66,005.10 = 33,679.80 : x
  2. Step 2: Convert to fraction form
    47,820.60/66,005.10 = 33,679.80/x
  3. Step 3: Cross multiply
    47,820.60x = 66,005.10 × 33,679.80
  4. Step 4: Simplify right side
    47,820.60x = 2,223,038,566.98
  5. Step 5: Solve for x
    x = 2,223,038,566.98/47,820.60
  6. Step 6: Final answer
    x = 46,487.05

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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.