Home / 38,357.39-57,486.40-30,964.79

Finding the Fourth Proportional to 38,357.39, 57,486.40 and 30,964.79

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Solution

The fourth proportional to 38,357.39, 57,486.40 and 30,964.79 is: 46,407.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,357.39 : 57,486.40 = 30,964.79 : x
  2. Step 2: Convert to fraction form
    38,357.39/57,486.40 = 30,964.79/x
  3. Step 3: Cross multiply
    38,357.39x = 57,486.40 × 30,964.79
  4. Step 4: Simplify right side
    38,357.39x = 1,780,054,303.86
  5. Step 5: Solve for x
    x = 1,780,054,303.86/38,357.39
  6. Step 6: Final answer
    x = 46,407.08

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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.