Home / 31,679.04-47,483.36-16,064.40

Finding the Fourth Proportional to 31,679.04, 47,483.36 and 16,064.40

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Solution

The fourth proportional to 31,679.04, 47,483.36 and 16,064.40 is: 24,078.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,679.04 : 47,483.36 = 16,064.40 : x
  2. Step 2: Convert to fraction form
    31,679.04/47,483.36 = 16,064.40/x
  3. Step 3: Cross multiply
    31,679.04x = 47,483.36 × 16,064.40
  4. Step 4: Simplify right side
    31,679.04x = 762,791,688.38
  5. Step 5: Solve for x
    x = 762,791,688.38/31,679.04
  6. Step 6: Final answer
    x = 24,078.75

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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.