Home / 47,262.24-70,899.84-20,966.40

Finding the Fourth Proportional to 47,262.24, 70,899.84 and 20,966.40

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Solution

The fourth proportional to 47,262.24, 70,899.84 and 20,966.40 is: 31,452.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,262.24 : 70,899.84 = 20,966.40 : x
  2. Step 2: Convert to fraction form
    47,262.24/70,899.84 = 20,966.40/x
  3. Step 3: Cross multiply
    47,262.24x = 70,899.84 × 20,966.40
  4. Step 4: Simplify right side
    47,262.24x = 1,486,514,405.38
  5. Step 5: Solve for x
    x = 1,486,514,405.38/47,262.24
  6. Step 6: Final answer
    x = 31,452.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.