Home / 31,427.04-47,148.48-11,706.24

Finding the Fourth Proportional to 31,427.04, 47,148.48 and 11,706.24

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Solution

The fourth proportional to 31,427.04, 47,148.48 and 11,706.24 is: 17,562.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,427.04 : 47,148.48 = 11,706.24 : x
  2. Step 2: Convert to fraction form
    31,427.04/47,148.48 = 11,706.24/x
  3. Step 3: Cross multiply
    31,427.04x = 47,148.48 × 11,706.24
  4. Step 4: Simplify right side
    31,427.04x = 551,931,422.52
  5. Step 5: Solve for x
    x = 551,931,422.52/31,427.04
  6. Step 6: Final answer
    x = 17,562.31

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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.