Home / 38,920.34-58,380.56-10,840.47

Finding the Fourth Proportional to 38,920.34, 58,380.56 and 10,840.47

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Solution

The fourth proportional to 38,920.34, 58,380.56 and 10,840.47 is: 16,260.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,920.34 : 58,380.56 = 10,840.47 : x
  2. Step 2: Convert to fraction form
    38,920.34/58,380.56 = 10,840.47/x
  3. Step 3: Cross multiply
    38,920.34x = 58,380.56 × 10,840.47
  4. Step 4: Simplify right side
    38,920.34x = 632,872,738.32
  5. Step 5: Solve for x
    x = 632,872,738.32/38,920.34
  6. Step 6: Final answer
    x = 16,260.72

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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.