Home / 32,430.90-48,617.64-12,723.60

Finding the Fourth Proportional to 32,430.90, 48,617.64 and 12,723.60

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Solution

The fourth proportional to 32,430.90, 48,617.64 and 12,723.60 is: 19,074.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,430.90 : 48,617.64 = 12,723.60 : x
  2. Step 2: Convert to fraction form
    32,430.90/48,617.64 = 12,723.60/x
  3. Step 3: Cross multiply
    32,430.90x = 48,617.64 × 12,723.60
  4. Step 4: Simplify right side
    32,430.90x = 618,591,404.30
  5. Step 5: Solve for x
    x = 618,591,404.30/32,430.90
  6. Step 6: Final answer
    x = 19,074.14

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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.