Home / 38,720.20-57,950.70-34,054.60

Finding the Fourth Proportional to 38,720.20, 57,950.70 and 34,054.60

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Solution

The fourth proportional to 38,720.20, 57,950.70 and 34,054.60 is: 50,967.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,720.20 : 57,950.70 = 34,054.60 : x
  2. Step 2: Convert to fraction form
    38,720.20/57,950.70 = 34,054.60/x
  3. Step 3: Cross multiply
    38,720.20x = 57,950.70 × 34,054.60
  4. Step 4: Simplify right side
    38,720.20x = 1,973,487,908.22
  5. Step 5: Solve for x
    x = 1,973,487,908.22/38,720.20
  6. Step 6: Final answer
    x = 50,967.92

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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.