Home / 42,787.27-64,185.19-14,703.62

Finding the Fourth Proportional to 42,787.27, 64,185.19 and 14,703.62

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Solution

The fourth proportional to 42,787.27, 64,185.19 and 14,703.62 is: 22,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,787.27 : 64,185.19 = 14,703.62 : x
  2. Step 2: Convert to fraction form
    42,787.27/64,185.19 = 14,703.62/x
  3. Step 3: Cross multiply
    42,787.27x = 64,185.19 × 14,703.62
  4. Step 4: Simplify right side
    42,787.27x = 943,754,643.39
  5. Step 5: Solve for x
    x = 943,754,643.39/42,787.27
  6. Step 6: Final answer
    x = 22,056.90

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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.