Home / 40,960.81-61,442.43-15,999.85

Finding the Fourth Proportional to 40,960.81, 61,442.43 and 15,999.85

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Solution

The fourth proportional to 40,960.81, 61,442.43 and 15,999.85 is: 24,000.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,960.81 : 61,442.43 = 15,999.85 : x
  2. Step 2: Convert to fraction form
    40,960.81/61,442.43 = 15,999.85/x
  3. Step 3: Cross multiply
    40,960.81x = 61,442.43 × 15,999.85
  4. Step 4: Simplify right side
    40,960.81x = 983,069,663.64
  5. Step 5: Solve for x
    x = 983,069,663.64/40,960.81
  6. Step 6: Final answer
    x = 24,000.25

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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.