Home / 30,052.20-41,506.08-20,475.47

Finding the Fourth Proportional to 30,052.20, 41,506.08 and 20,475.47

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Solution

The fourth proportional to 30,052.20, 41,506.08 and 20,475.47 is: 28,279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,052.20 : 41,506.08 = 20,475.47 : x
  2. Step 2: Convert to fraction form
    30,052.20/41,506.08 = 20,475.47/x
  3. Step 3: Cross multiply
    30,052.20x = 41,506.08 × 20,475.47
  4. Step 4: Simplify right side
    30,052.20x = 849,856,522.84
  5. Step 5: Solve for x
    x = 849,856,522.84/30,052.20
  6. Step 6: Final answer
    x = 28,279.34

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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.