Home / 29,531.58-40,752.07-16,102.72

Finding the Fourth Proportional to 29,531.58, 40,752.07 and 16,102.72

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Solution

The fourth proportional to 29,531.58, 40,752.07 and 16,102.72 is: 22,220.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,531.58 : 40,752.07 = 16,102.72 : x
  2. Step 2: Convert to fraction form
    29,531.58/40,752.07 = 16,102.72/x
  3. Step 3: Cross multiply
    29,531.58x = 40,752.07 × 16,102.72
  4. Step 4: Simplify right side
    29,531.58x = 656,219,172.63
  5. Step 5: Solve for x
    x = 656,219,172.63/29,531.58
  6. Step 6: Final answer
    x = 22,220.93

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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.