Home / 30,165.62-41,646.89-23,438.55

Finding the Fourth Proportional to 30,165.62, 41,646.89 and 23,438.55

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Solution

The fourth proportional to 30,165.62, 41,646.89 and 23,438.55 is: 32,359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,165.62 : 41,646.89 = 23,438.55 : x
  2. Step 2: Convert to fraction form
    30,165.62/41,646.89 = 23,438.55/x
  3. Step 3: Cross multiply
    30,165.62x = 41,646.89 × 23,438.55
  4. Step 4: Simplify right side
    30,165.62x = 976,142,482.67
  5. Step 5: Solve for x
    x = 976,142,482.67/30,165.62
  6. Step 6: Final answer
    x = 32,359.44

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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.