Home / 31,946.72-47,926.56-11,184.80

Finding the Fourth Proportional to 31,946.72, 47,926.56 and 11,184.80

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Solution

The fourth proportional to 31,946.72, 47,926.56 and 11,184.80 is: 16,779.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,946.72 : 47,926.56 = 11,184.80 : x
  2. Step 2: Convert to fraction form
    31,946.72/47,926.56 = 11,184.80/x
  3. Step 3: Cross multiply
    31,946.72x = 47,926.56 × 11,184.80
  4. Step 4: Simplify right side
    31,946.72x = 536,048,988.29
  5. Step 5: Solve for x
    x = 536,048,988.29/31,946.72
  6. Step 6: Final answer
    x = 16,779.47

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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.