Home / 20,079.64-30,056.31-13,802.94

Finding the Fourth Proportional to 20,079.64, 30,056.31 and 13,802.94

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Solution

The fourth proportional to 20,079.64, 30,056.31 and 13,802.94 is: 20,661.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,079.64 : 30,056.31 = 13,802.94 : x
  2. Step 2: Convert to fraction form
    20,079.64/30,056.31 = 13,802.94/x
  3. Step 3: Cross multiply
    20,079.64x = 30,056.31 × 13,802.94
  4. Step 4: Simplify right side
    20,079.64x = 414,865,443.55
  5. Step 5: Solve for x
    x = 414,865,443.55/20,079.64
  6. Step 6: Final answer
    x = 20,661.00

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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.