Home / 42,922.81-64,387.05-14,845.58

Finding the Fourth Proportional to 42,922.81, 64,387.05 and 14,845.58

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Solution

The fourth proportional to 42,922.81, 64,387.05 and 14,845.58 is: 22,269.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,922.81 : 64,387.05 = 14,845.58 : x
  2. Step 2: Convert to fraction form
    42,922.81/64,387.05 = 14,845.58/x
  3. Step 3: Cross multiply
    42,922.81x = 64,387.05 × 14,845.58
  4. Step 4: Simplify right side
    42,922.81x = 955,863,049.09
  5. Step 5: Solve for x
    x = 955,863,049.09/42,922.81
  6. Step 6: Final answer
    x = 22,269.35

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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.