Home / 31,688.42-47,532.50-7,996.02

Finding the Fourth Proportional to 31,688.42, 47,532.50 and 7,996.02

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Solution

The fourth proportional to 31,688.42, 47,532.50 and 7,996.02 is: 11,994.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,688.42 : 47,532.50 = 7,996.02 : x
  2. Step 2: Convert to fraction form
    31,688.42/47,532.50 = 7,996.02/x
  3. Step 3: Cross multiply
    31,688.42x = 47,532.50 × 7,996.02
  4. Step 4: Simplify right side
    31,688.42x = 380,070,810.65
  5. Step 5: Solve for x
    x = 380,070,810.65/31,688.42
  6. Step 6: Final answer
    x = 11,994.00

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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.