Home / 48,021.18-72,023.51-12,952.64

Finding the Fourth Proportional to 48,021.18, 72,023.51 and 12,952.64

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Solution

The fourth proportional to 48,021.18, 72,023.51 and 12,952.64 is: 19,426.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,021.18 : 72,023.51 = 12,952.64 : x
  2. Step 2: Convert to fraction form
    48,021.18/72,023.51 = 12,952.64/x
  3. Step 3: Cross multiply
    48,021.18x = 72,023.51 × 12,952.64
  4. Step 4: Simplify right side
    48,021.18x = 932,894,171.69
  5. Step 5: Solve for x
    x = 932,894,171.69/48,021.18
  6. Step 6: Final answer
    x = 19,426.72

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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.