Home / 31,657.56-47,455.02-14,988.30

Finding the Fourth Proportional to 31,657.56, 47,455.02 and 14,988.30

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Solution

The fourth proportional to 31,657.56, 47,455.02 and 14,988.30 is: 22,467.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,657.56 : 47,455.02 = 14,988.30 : x
  2. Step 2: Convert to fraction form
    31,657.56/47,455.02 = 14,988.30/x
  3. Step 3: Cross multiply
    31,657.56x = 47,455.02 × 14,988.30
  4. Step 4: Simplify right side
    31,657.56x = 711,270,076.27
  5. Step 5: Solve for x
    x = 711,270,076.27/31,657.56
  6. Step 6: Final answer
    x = 22,467.62

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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.