Home / 52,128.28-71,946.66-29,772.28

Finding the Fourth Proportional to 52,128.28, 71,946.66 and 29,772.28

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Solution

The fourth proportional to 52,128.28, 71,946.66 and 29,772.28 is: 41,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,128.28 : 71,946.66 = 29,772.28 : x
  2. Step 2: Convert to fraction form
    52,128.28/71,946.66 = 29,772.28/x
  3. Step 3: Cross multiply
    52,128.28x = 71,946.66 × 29,772.28
  4. Step 4: Simplify right side
    52,128.28x = 2,142,016,106.58
  5. Step 5: Solve for x
    x = 2,142,016,106.58/52,128.28
  6. Step 6: Final answer
    x = 41,091.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.