Home / 31,675.16-47,511.76-15,047.16

Finding the Fourth Proportional to 31,675.16, 47,511.76 and 15,047.16

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Solution

The fourth proportional to 31,675.16, 47,511.76 and 15,047.16 is: 22,570.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,675.16 : 47,511.76 = 15,047.16 : x
  2. Step 2: Convert to fraction form
    31,675.16/47,511.76 = 15,047.16/x
  3. Step 3: Cross multiply
    31,675.16x = 47,511.76 × 15,047.16
  4. Step 4: Simplify right side
    31,675.16x = 714,917,054.60
  5. Step 5: Solve for x
    x = 714,917,054.60/31,675.16
  6. Step 6: Final answer
    x = 22,570.27

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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.