Home / 31,577.18-47,364.71-9,390.69

Finding the Fourth Proportional to 31,577.18, 47,364.71 and 9,390.69

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Solution

The fourth proportional to 31,577.18, 47,364.71 and 9,390.69 is: 14,085.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577.18 : 47,364.71 = 9,390.69 : x
  2. Step 2: Convert to fraction form
    31,577.18/47,364.71 = 9,390.69/x
  3. Step 3: Cross multiply
    31,577.18x = 47,364.71 × 9,390.69
  4. Step 4: Simplify right side
    31,577.18x = 444,787,261.60
  5. Step 5: Solve for x
    x = 444,787,261.60/31,577.18
  6. Step 6: Final answer
    x = 14,085.72

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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.