Home / 38,077.34-57,122.15-11,782.07

Finding the Fourth Proportional to 38,077.34, 57,122.15 and 11,782.07

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Solution

The fourth proportional to 38,077.34, 57,122.15 and 11,782.07 is: 17,675.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,077.34 : 57,122.15 = 11,782.07 : x
  2. Step 2: Convert to fraction form
    38,077.34/57,122.15 = 11,782.07/x
  3. Step 3: Cross multiply
    38,077.34x = 57,122.15 × 11,782.07
  4. Step 4: Simplify right side
    38,077.34x = 673,017,253.75
  5. Step 5: Solve for x
    x = 673,017,253.75/38,077.34
  6. Step 6: Final answer
    x = 17,675.01

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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.