Home / 38,906.64-58,347.72-12,605.28

Finding the Fourth Proportional to 38,906.64, 58,347.72 and 12,605.28

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Solution

The fourth proportional to 38,906.64, 58,347.72 and 12,605.28 is: 18,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,906.64 : 58,347.72 = 12,605.28 : x
  2. Step 2: Convert to fraction form
    38,906.64/58,347.72 = 12,605.28/x
  3. Step 3: Cross multiply
    38,906.64x = 58,347.72 × 12,605.28
  4. Step 4: Simplify right side
    38,906.64x = 735,489,347.96
  5. Step 5: Solve for x
    x = 735,489,347.96/38,906.64
  6. Step 6: Final answer
    x = 18,903.95

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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.