Home / 46,728.45-70,114.56-20,429.79

Finding the Fourth Proportional to 46,728.45, 70,114.56 and 20,429.79

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Solution

The fourth proportional to 46,728.45, 70,114.56 and 20,429.79 is: 30,654.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,728.45 : 70,114.56 = 20,429.79 : x
  2. Step 2: Convert to fraction form
    46,728.45/70,114.56 = 20,429.79/x
  3. Step 3: Cross multiply
    46,728.45x = 70,114.56 × 20,429.79
  4. Step 4: Simplify right side
    46,728.45x = 1,432,425,736.74
  5. Step 5: Solve for x
    x = 1,432,425,736.74/46,728.45
  6. Step 6: Final answer
    x = 30,654.25

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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.