Home / 42,528.33-63,787.92-12,946.41

Finding the Fourth Proportional to 42,528.33, 63,787.92 and 12,946.41

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Solution

The fourth proportional to 42,528.33, 63,787.92 and 12,946.41 is: 19,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,528.33 : 63,787.92 = 12,946.41 : x
  2. Step 2: Convert to fraction form
    42,528.33/63,787.92 = 12,946.41/x
  3. Step 3: Cross multiply
    42,528.33x = 63,787.92 × 12,946.41
  4. Step 4: Simplify right side
    42,528.33x = 825,824,565.37
  5. Step 5: Solve for x
    x = 825,824,565.37/42,528.33
  6. Step 6: Final answer
    x = 19,418.22

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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.