Home / 47,031.68-70,554.15-13,754.25

Finding the Fourth Proportional to 47,031.68, 70,554.15 and 13,754.25

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Solution

The fourth proportional to 47,031.68, 70,554.15 and 13,754.25 is: 20,633.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,031.68 : 70,554.15 = 13,754.25 : x
  2. Step 2: Convert to fraction form
    47,031.68/70,554.15 = 13,754.25/x
  3. Step 3: Cross multiply
    47,031.68x = 70,554.15 × 13,754.25
  4. Step 4: Simplify right side
    47,031.68x = 970,419,417.64
  5. Step 5: Solve for x
    x = 970,419,417.64/47,031.68
  6. Step 6: Final answer
    x = 20,633.31

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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.