Home / 48,315.57-72,494.93-18,735.72

Finding the Fourth Proportional to 48,315.57, 72,494.93 and 18,735.72

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Solution

The fourth proportional to 48,315.57, 72,494.93 and 18,735.72 is: 28,111.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,315.57 : 72,494.93 = 18,735.72 : x
  2. Step 2: Convert to fraction form
    48,315.57/72,494.93 = 18,735.72/x
  3. Step 3: Cross multiply
    48,315.57x = 72,494.93 × 18,735.72
  4. Step 4: Simplify right side
    48,315.57x = 1,358,244,253.75
  5. Step 5: Solve for x
    x = 1,358,244,253.75/48,315.57
  6. Step 6: Final answer
    x = 28,111.94

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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.