Home / 39,285.90-54,233.91-30,773.34

Finding the Fourth Proportional to 39,285.90, 54,233.91 and 30,773.34

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Solution

The fourth proportional to 39,285.90, 54,233.91 and 30,773.34 is: 42,482.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,285.90 : 54,233.91 = 30,773.34 : x
  2. Step 2: Convert to fraction form
    39,285.90/54,233.91 = 30,773.34/x
  3. Step 3: Cross multiply
    39,285.90x = 54,233.91 × 30,773.34
  4. Step 4: Simplify right side
    39,285.90x = 1,668,958,551.96
  5. Step 5: Solve for x
    x = 1,668,958,551.96/39,285.90
  6. Step 6: Final answer
    x = 42,482.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.