Home / 29,728.16-44,599.66-20,980.16

Finding the Fourth Proportional to 29,728.16, 44,599.66 and 20,980.16

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Solution

The fourth proportional to 29,728.16, 44,599.66 and 20,980.16 is: 31,475.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,728.16 : 44,599.66 = 20,980.16 : x
  2. Step 2: Convert to fraction form
    29,728.16/44,599.66 = 20,980.16/x
  3. Step 3: Cross multiply
    29,728.16x = 44,599.66 × 20,980.16
  4. Step 4: Simplify right side
    29,728.16x = 935,708,002.75
  5. Step 5: Solve for x
    x = 935,708,002.75/29,728.16
  6. Step 6: Final answer
    x = 31,475.48

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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.