Home / 34,525.76-47,638.40-20,182.82

Finding the Fourth Proportional to 34,525.76, 47,638.40 and 20,182.82

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Solution

The fourth proportional to 34,525.76, 47,638.40 and 20,182.82 is: 27,848.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,525.76 : 47,638.40 = 20,182.82 : x
  2. Step 2: Convert to fraction form
    34,525.76/47,638.40 = 20,182.82/x
  3. Step 3: Cross multiply
    34,525.76x = 47,638.40 × 20,182.82
  4. Step 4: Simplify right side
    34,525.76x = 961,477,252.29
  5. Step 5: Solve for x
    x = 961,477,252.29/34,525.76
  6. Step 6: Final answer
    x = 27,848.11

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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.