Home / 31,700.21-47,554.94-9,515.32

Finding the Fourth Proportional to 31,700.21, 47,554.94 and 9,515.32

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Solution

The fourth proportional to 31,700.21, 47,554.94 and 9,515.32 is: 14,274.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,700.21 : 47,554.94 = 9,515.32 : x
  2. Step 2: Convert to fraction form
    31,700.21/47,554.94 = 9,515.32/x
  3. Step 3: Cross multiply
    31,700.21x = 47,554.94 × 9,515.32
  4. Step 4: Simplify right side
    31,700.21x = 452,500,376.58
  5. Step 5: Solve for x
    x = 452,500,376.58/31,700.21
  6. Step 6: Final answer
    x = 14,274.37

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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.