Home / 42,817.31-64,209.99-14,729.42

Finding the Fourth Proportional to 42,817.31, 64,209.99 and 14,729.42

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Solution

The fourth proportional to 42,817.31, 64,209.99 and 14,729.42 is: 22,088.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,817.31 : 64,209.99 = 14,729.42 : x
  2. Step 2: Convert to fraction form
    42,817.31/64,209.99 = 14,729.42/x
  3. Step 3: Cross multiply
    42,817.31x = 64,209.99 × 14,729.42
  4. Step 4: Simplify right side
    42,817.31x = 945,775,910.91
  5. Step 5: Solve for x
    x = 945,775,910.91/42,817.31
  6. Step 6: Final answer
    x = 22,088.63

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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.