Home / 51,915.04-71,636.88-31,776.64

Finding the Fourth Proportional to 51,915.04, 71,636.88 and 31,776.64

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Solution

The fourth proportional to 51,915.04, 71,636.88 and 31,776.64 is: 43,848.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,915.04 : 71,636.88 = 31,776.64 : x
  2. Step 2: Convert to fraction form
    51,915.04/71,636.88 = 31,776.64/x
  3. Step 3: Cross multiply
    51,915.04x = 71,636.88 × 31,776.64
  4. Step 4: Simplify right side
    51,915.04x = 2,276,379,346.48
  5. Step 5: Solve for x
    x = 2,276,379,346.48/51,915.04
  6. Step 6: Final answer
    x = 43,848.17

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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.