Home / 34,386.68-47,462.06-20,965.34

Finding the Fourth Proportional to 34,386.68, 47,462.06 and 20,965.34

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Solution

The fourth proportional to 34,386.68, 47,462.06 and 20,965.34 is: 28,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,386.68 : 47,462.06 = 20,965.34 : x
  2. Step 2: Convert to fraction form
    34,386.68/47,462.06 = 20,965.34/x
  3. Step 3: Cross multiply
    34,386.68x = 47,462.06 × 20,965.34
  4. Step 4: Simplify right side
    34,386.68x = 995,057,987.69
  5. Step 5: Solve for x
    x = 995,057,987.69/34,386.68
  6. Step 6: Final answer
    x = 28,937.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.