Home / 31,717.59-47,577.16-10,657.94

Finding the Fourth Proportional to 31,717.59, 47,577.16 and 10,657.94

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Solution

The fourth proportional to 31,717.59, 47,577.16 and 10,657.94 is: 15,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,717.59 : 47,577.16 = 10,657.94 : x
  2. Step 2: Convert to fraction form
    31,717.59/47,577.16 = 10,657.94/x
  3. Step 3: Cross multiply
    31,717.59x = 47,577.16 × 10,657.94
  4. Step 4: Simplify right side
    31,717.59x = 507,074,410.91
  5. Step 5: Solve for x
    x = 507,074,410.91/31,717.59
  6. Step 6: Final answer
    x = 15,987.17

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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.