Home / 40,925.50-61,388-10,530.60

Finding the Fourth Proportional to 40,925.50, 61,388 and 10,530.60

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Solution

The fourth proportional to 40,925.50, 61,388 and 10,530.60 is: 15,795.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,925.50 : 61,388 = 10,530.60 : x
  2. Step 2: Convert to fraction form
    40,925.50/61,388 = 10,530.60/x
  3. Step 3: Cross multiply
    40,925.50x = 61,388 × 10,530.60
  4. Step 4: Simplify right side
    40,925.50x = 646,452,472.80
  5. Step 5: Solve for x
    x = 646,452,472.80/40,925.50
  6. Step 6: Final answer
    x = 15,795.84

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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.