Home / 31,629.88-47,411.77-14,970.07

Finding the Fourth Proportional to 31,629.88, 47,411.77 and 14,970.07

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Solution

The fourth proportional to 31,629.88, 47,411.77 and 14,970.07 is: 22,439.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,629.88 : 47,411.77 = 14,970.07 : x
  2. Step 2: Convert to fraction form
    31,629.88/47,411.77 = 14,970.07/x
  3. Step 3: Cross multiply
    31,629.88x = 47,411.77 × 14,970.07
  4. Step 4: Simplify right side
    31,629.88x = 709,757,515.72
  5. Step 5: Solve for x
    x = 709,757,515.72/31,629.88
  6. Step 6: Final answer
    x = 22,439.46

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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.