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Finding the Fourth Proportional to 29,467.30, 40,664.88 and 16,038.66

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Solution

The fourth proportional to 29,467.30, 40,664.88 and 16,038.66 is: 22,133.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,467.30 : 40,664.88 = 16,038.66 : x
  2. Step 2: Convert to fraction form
    29,467.30/40,664.88 = 16,038.66/x
  3. Step 3: Cross multiply
    29,467.30x = 40,664.88 × 16,038.66
  4. Step 4: Simplify right side
    29,467.30x = 652,210,062.91
  5. Step 5: Solve for x
    x = 652,210,062.91/29,467.30
  6. Step 6: Final answer
    x = 22,133.35

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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.