Home / 38,700.80-58,051.20-23,861.60

Finding the Fourth Proportional to 38,700.80, 58,051.20 and 23,861.60

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Solution

The fourth proportional to 38,700.80, 58,051.20 and 23,861.60 is: 35,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,700.80 : 58,051.20 = 23,861.60 : x
  2. Step 2: Convert to fraction form
    38,700.80/58,051.20 = 23,861.60/x
  3. Step 3: Cross multiply
    38,700.80x = 58,051.20 × 23,861.60
  4. Step 4: Simplify right side
    38,700.80x = 1,385,194,513.92
  5. Step 5: Solve for x
    x = 1,385,194,513.92/38,700.80
  6. Step 6: Final answer
    x = 35,792.40

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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.