Home / 34,152.94-47,135.66-20,011.42

Finding the Fourth Proportional to 34,152.94, 47,135.66 and 20,011.42

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Solution

The fourth proportional to 34,152.94, 47,135.66 and 20,011.42 is: 27,618.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,152.94 : 47,135.66 = 20,011.42 : x
  2. Step 2: Convert to fraction form
    34,152.94/47,135.66 = 20,011.42/x
  3. Step 3: Cross multiply
    34,152.94x = 47,135.66 × 20,011.42
  4. Step 4: Simplify right side
    34,152.94x = 943,251,271.34
  5. Step 5: Solve for x
    x = 943,251,271.34/34,152.94
  6. Step 6: Final answer
    x = 27,618.45

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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.