Home / 38,727.20-58,090.80-29,968.40

Finding the Fourth Proportional to 38,727.20, 58,090.80 and 29,968.40

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Solution

The fourth proportional to 38,727.20, 58,090.80 and 29,968.40 is: 44,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,727.20 : 58,090.80 = 29,968.40 : x
  2. Step 2: Convert to fraction form
    38,727.20/58,090.80 = 29,968.40/x
  3. Step 3: Cross multiply
    38,727.20x = 58,090.80 × 29,968.40
  4. Step 4: Simplify right side
    38,727.20x = 1,740,888,330.72
  5. Step 5: Solve for x
    x = 1,740,888,330.72/38,727.20
  6. Step 6: Final answer
    x = 44,952.60

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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.