Home / 40,921.95-61,384.11-15,960.99

Finding the Fourth Proportional to 40,921.95, 61,384.11 and 15,960.99

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Solution

The fourth proportional to 40,921.95, 61,384.11 and 15,960.99 is: 23,941.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,921.95 : 61,384.11 = 15,960.99 : x
  2. Step 2: Convert to fraction form
    40,921.95/61,384.11 = 15,960.99/x
  3. Step 3: Cross multiply
    40,921.95x = 61,384.11 × 15,960.99
  4. Step 4: Simplify right side
    40,921.95x = 979,751,165.87
  5. Step 5: Solve for x
    x = 979,751,165.87/40,921.95
  6. Step 6: Final answer
    x = 23,941.95

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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.