Home / 31,503.28-47,264.15-9,317.23

Finding the Fourth Proportional to 31,503.28, 47,264.15 and 9,317.23

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Solution

The fourth proportional to 31,503.28, 47,264.15 and 9,317.23 is: 13,978.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503.28 : 47,264.15 = 9,317.23 : x
  2. Step 2: Convert to fraction form
    31,503.28/47,264.15 = 9,317.23/x
  3. Step 3: Cross multiply
    31,503.28x = 47,264.15 × 9,317.23
  4. Step 4: Simplify right side
    31,503.28x = 440,370,909.72
  5. Step 5: Solve for x
    x = 440,370,909.72/31,503.28
  6. Step 6: Final answer
    x = 13,978.57

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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.