Home / 31,714.89-47,577.81-10,656.96

Finding the Fourth Proportional to 31,714.89, 47,577.81 and 10,656.96

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Solution

The fourth proportional to 31,714.89, 47,577.81 and 10,656.96 is: 15,987.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,714.89 : 47,577.81 = 10,656.96 : x
  2. Step 2: Convert to fraction form
    31,714.89/47,577.81 = 10,656.96/x
  3. Step 3: Cross multiply
    31,714.89x = 47,577.81 × 10,656.96
  4. Step 4: Simplify right side
    31,714.89x = 507,034,818.06
  5. Step 5: Solve for x
    x = 507,034,818.06/31,714.89
  6. Step 6: Final answer
    x = 15,987.28

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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.