Home / 34,468.64-47,554.80-20,318.48

Finding the Fourth Proportional to 34,468.64, 47,554.80 and 20,318.48

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Solution

The fourth proportional to 34,468.64, 47,554.80 and 20,318.48 is: 28,032.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,468.64 : 47,554.80 = 20,318.48 : x
  2. Step 2: Convert to fraction form
    34,468.64/47,554.80 = 20,318.48/x
  3. Step 3: Cross multiply
    34,468.64x = 47,554.80 × 20,318.48
  4. Step 4: Simplify right side
    34,468.64x = 966,241,252.70
  5. Step 5: Solve for x
    x = 966,241,252.70/34,468.64
  6. Step 6: Final answer
    x = 28,032.47

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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.