Home / 51,630.35-71,245.51-28,966.28

Finding the Fourth Proportional to 51,630.35, 71,245.51 and 28,966.28

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Solution

The fourth proportional to 51,630.35, 71,245.51 and 28,966.28 is: 39,971.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,630.35 : 71,245.51 = 28,966.28 : x
  2. Step 2: Convert to fraction form
    51,630.35/71,245.51 = 28,966.28/x
  3. Step 3: Cross multiply
    51,630.35x = 71,245.51 × 28,966.28
  4. Step 4: Simplify right side
    51,630.35x = 2,063,716,962.76
  5. Step 5: Solve for x
    x = 2,063,716,962.76/51,630.35
  6. Step 6: Final answer
    x = 39,971.01

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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.