Home / 38,953.80-58,344.30-30,160.20

Finding the Fourth Proportional to 38,953.80, 58,344.30 and 30,160.20

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Solution

The fourth proportional to 38,953.80, 58,344.30 and 30,160.20 is: 45,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,953.80 : 58,344.30 = 30,160.20 : x
  2. Step 2: Convert to fraction form
    38,953.80/58,344.30 = 30,160.20/x
  3. Step 3: Cross multiply
    38,953.80x = 58,344.30 × 30,160.20
  4. Step 4: Simplify right side
    38,953.80x = 1,759,675,756.86
  5. Step 5: Solve for x
    x = 1,759,675,756.86/38,953.80
  6. Step 6: Final answer
    x = 45,173.40

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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.