Home / 47,031.58-70,530.36-13,742.92

Finding the Fourth Proportional to 47,031.58, 70,530.36 and 13,742.92

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Solution

The fourth proportional to 47,031.58, 70,530.36 and 13,742.92 is: 20,609.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,031.58 : 70,530.36 = 13,742.92 : x
  2. Step 2: Convert to fraction form
    47,031.58/70,530.36 = 13,742.92/x
  3. Step 3: Cross multiply
    47,031.58x = 70,530.36 × 13,742.92
  4. Step 4: Simplify right side
    47,031.58x = 969,293,095.05
  5. Step 5: Solve for x
    x = 969,293,095.05/47,031.58
  6. Step 6: Final answer
    x = 20,609.41

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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.