Home / 31,423.95-47,163.06-16,643.34

Finding the Fourth Proportional to 31,423.95, 47,163.06 and 16,643.34

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Solution

The fourth proportional to 31,423.95, 47,163.06 and 16,643.34 is: 24,979.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,423.95 : 47,163.06 = 16,643.34 : x
  2. Step 2: Convert to fraction form
    31,423.95/47,163.06 = 16,643.34/x
  3. Step 3: Cross multiply
    31,423.95x = 47,163.06 × 16,643.34
  4. Step 4: Simplify right side
    31,423.95x = 784,950,843.02
  5. Step 5: Solve for x
    x = 784,950,843.02/31,423.95
  6. Step 6: Final answer
    x = 24,979.38

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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.