Home / 38,945.15-58,431.29-12,295.25

Finding the Fourth Proportional to 38,945.15, 58,431.29 and 12,295.25

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Solution

The fourth proportional to 38,945.15, 58,431.29 and 12,295.25 is: 18,447.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,945.15 : 58,431.29 = 12,295.25 : x
  2. Step 2: Convert to fraction form
    38,945.15/58,431.29 = 12,295.25/x
  3. Step 3: Cross multiply
    38,945.15x = 58,431.29 × 12,295.25
  4. Step 4: Simplify right side
    38,945.15x = 718,426,964.74
  5. Step 5: Solve for x
    x = 718,426,964.74/38,945.15
  6. Step 6: Final answer
    x = 18,447.15

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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.