Home / 35,778.55-53,630.43-12,077.90

Finding the Fourth Proportional to 35,778.55, 53,630.43 and 12,077.90

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Solution

The fourth proportional to 35,778.55, 53,630.43 and 12,077.90 is: 18,104.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,778.55 : 53,630.43 = 12,077.90 : x
  2. Step 2: Convert to fraction form
    35,778.55/53,630.43 = 12,077.90/x
  3. Step 3: Cross multiply
    35,778.55x = 53,630.43 × 12,077.90
  4. Step 4: Simplify right side
    35,778.55x = 647,742,970.50
  5. Step 5: Solve for x
    x = 647,742,970.50/35,778.55
  6. Step 6: Final answer
    x = 18,104.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.