Home / 38,920.58-58,380.92-10,840.71

Finding the Fourth Proportional to 38,920.58, 58,380.92 and 10,840.71

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Solution

The fourth proportional to 38,920.58, 58,380.92 and 10,840.71 is: 16,261.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,920.58 : 58,380.92 = 10,840.71 : x
  2. Step 2: Convert to fraction form
    38,920.58/58,380.92 = 10,840.71/x
  3. Step 3: Cross multiply
    38,920.58x = 58,380.92 × 10,840.71
  4. Step 4: Simplify right side
    38,920.58x = 632,890,569.05
  5. Step 5: Solve for x
    x = 632,890,569.05/38,920.58
  6. Step 6: Final answer
    x = 16,261.08

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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.