Home / 38,929.96-58,368.30-13,969.45

Finding the Fourth Proportional to 38,929.96, 58,368.30 and 13,969.45

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Solution

The fourth proportional to 38,929.96, 58,368.30 and 13,969.45 is: 20,944.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,929.96 : 58,368.30 = 13,969.45 : x
  2. Step 2: Convert to fraction form
    38,929.96/58,368.30 = 13,969.45/x
  3. Step 3: Cross multiply
    38,929.96x = 58,368.30 × 13,969.45
  4. Step 4: Simplify right side
    38,929.96x = 815,373,048.44
  5. Step 5: Solve for x
    x = 815,373,048.44/38,929.96
  6. Step 6: Final answer
    x = 20,944.62

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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.