Home / 42,814.80-64,205.82-14,729.76

Finding the Fourth Proportional to 42,814.80, 64,205.82 and 14,729.76

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Solution

The fourth proportional to 42,814.80, 64,205.82 and 14,729.76 is: 22,089.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,814.80 : 64,205.82 = 14,729.76 : x
  2. Step 2: Convert to fraction form
    42,814.80/64,205.82 = 14,729.76/x
  3. Step 3: Cross multiply
    42,814.80x = 64,205.82 × 14,729.76
  4. Step 4: Simplify right side
    42,814.80x = 945,736,319.20
  5. Step 5: Solve for x
    x = 945,736,319.20/42,814.80
  6. Step 6: Final answer
    x = 22,089.00

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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.