Home / 31,344.40-46,973.88-15,772.72

Finding the Fourth Proportional to 31,344.40, 46,973.88 and 15,772.72

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Solution

The fourth proportional to 31,344.40, 46,973.88 and 15,772.72 is: 23,637.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344.40 : 46,973.88 = 15,772.72 : x
  2. Step 2: Convert to fraction form
    31,344.40/46,973.88 = 15,772.72/x
  3. Step 3: Cross multiply
    31,344.40x = 46,973.88 × 15,772.72
  4. Step 4: Simplify right side
    31,344.40x = 740,905,856.55
  5. Step 5: Solve for x
    x = 740,905,856.55/31,344.40
  6. Step 6: Final answer
    x = 23,637.58

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1.5x scale

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.