Home / 40,661.78-60,962.54-19,303.92

Finding the Fourth Proportional to 40,661.78, 60,962.54 and 19,303.92

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Solution

The fourth proportional to 40,661.78, 60,962.54 and 19,303.92 is: 28,941.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,661.78 : 60,962.54 = 19,303.92 : x
  2. Step 2: Convert to fraction form
    40,661.78/60,962.54 = 19,303.92/x
  3. Step 3: Cross multiply
    40,661.78x = 60,962.54 × 19,303.92
  4. Step 4: Simplify right side
    40,661.78x = 1,176,815,898.64
  5. Step 5: Solve for x
    x = 1,176,815,898.64/40,661.78
  6. Step 6: Final answer
    x = 28,941.58

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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.