Home / 40,751.34-61,121.82-15,774.30

Finding the Fourth Proportional to 40,751.34, 61,121.82 and 15,774.30

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Solution

The fourth proportional to 40,751.34, 61,121.82 and 15,774.30 is: 23,659.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,751.34 : 61,121.82 = 15,774.30 : x
  2. Step 2: Convert to fraction form
    40,751.34/61,121.82 = 15,774.30/x
  3. Step 3: Cross multiply
    40,751.34x = 61,121.82 × 15,774.30
  4. Step 4: Simplify right side
    40,751.34x = 964,153,925.23
  5. Step 5: Solve for x
    x = 964,153,925.23/40,751.34
  6. Step 6: Final answer
    x = 23,659.44

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1.5x scale

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.