Home / 47,612.54-65,686.61-30,614.09

Finding the Fourth Proportional to 47,612.54, 65,686.61 and 30,614.09

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Solution

The fourth proportional to 47,612.54, 65,686.61 and 30,614.09 is: 42,235.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,612.54 : 65,686.61 = 30,614.09 : x
  2. Step 2: Convert to fraction form
    47,612.54/65,686.61 = 30,614.09/x
  3. Step 3: Cross multiply
    47,612.54x = 65,686.61 × 30,614.09
  4. Step 4: Simplify right side
    47,612.54x = 2,010,935,538.44
  5. Step 5: Solve for x
    x = 2,010,935,538.44/47,612.54
  6. Step 6: Final answer
    x = 42,235.42

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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.