Home / 48,627.40-72,948.78-20,925.64

Finding the Fourth Proportional to 48,627.40, 72,948.78 and 20,925.64

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Solution

The fourth proportional to 48,627.40, 72,948.78 and 20,925.64 is: 31,391.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,627.40 : 72,948.78 = 20,925.64 : x
  2. Step 2: Convert to fraction form
    48,627.40/72,948.78 = 20,925.64/x
  3. Step 3: Cross multiply
    48,627.40x = 72,948.78 × 20,925.64
  4. Step 4: Simplify right side
    48,627.40x = 1,526,499,908.72
  5. Step 5: Solve for x
    x = 1,526,499,908.72/48,627.40
  6. Step 6: Final answer
    x = 31,391.76

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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.