Home / 38,077.08-57,119.45-13,113.84

Finding the Fourth Proportional to 38,077.08, 57,119.45 and 13,113.84

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Solution

The fourth proportional to 38,077.08, 57,119.45 and 13,113.84 is: 19,672.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,077.08 : 57,119.45 = 13,113.84 : x
  2. Step 2: Convert to fraction form
    38,077.08/57,119.45 = 13,113.84/x
  3. Step 3: Cross multiply
    38,077.08x = 57,119.45 × 13,113.84
  4. Step 4: Simplify right side
    38,077.08x = 749,055,262.62
  5. Step 5: Solve for x
    x = 749,055,262.62/38,077.08
  6. Step 6: Final answer
    x = 19,672.08

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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.