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Finding the Fourth Proportional to 29,225.49, 40,332.11 and 16,651.05

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Solution

The fourth proportional to 29,225.49, 40,332.11 and 16,651.05 is: 22,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,225.49 : 40,332.11 = 16,651.05 : x
  2. Step 2: Convert to fraction form
    29,225.49/40,332.11 = 16,651.05/x
  3. Step 3: Cross multiply
    29,225.49x = 40,332.11 × 16,651.05
  4. Step 4: Simplify right side
    29,225.49x = 671,571,896.96
  5. Step 5: Solve for x
    x = 671,571,896.96/29,225.49
  6. Step 6: Final answer
    x = 22,978.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.