Home / 31,554.28-47,331.36-12,844.48

Finding the Fourth Proportional to 31,554.28, 47,331.36 and 12,844.48

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Solution

The fourth proportional to 31,554.28, 47,331.36 and 12,844.48 is: 19,266.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,554.28 : 47,331.36 = 12,844.48 : x
  2. Step 2: Convert to fraction form
    31,554.28/47,331.36 = 12,844.48/x
  3. Step 3: Cross multiply
    31,554.28x = 47,331.36 × 12,844.48
  4. Step 4: Simplify right side
    31,554.28x = 607,946,706.89
  5. Step 5: Solve for x
    x = 607,946,706.89/31,554.28
  6. Step 6: Final answer
    x = 19,266.70

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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.