Home / 42,237.28-63,359.92-12,252.32

Finding the Fourth Proportional to 42,237.28, 63,359.92 and 12,252.32

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Solution

The fourth proportional to 42,237.28, 63,359.92 and 12,252.32 is: 18,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,237.28 : 63,359.92 = 12,252.32 : x
  2. Step 2: Convert to fraction form
    42,237.28/63,359.92 = 12,252.32/x
  3. Step 3: Cross multiply
    42,237.28x = 63,359.92 × 12,252.32
  4. Step 4: Simplify right side
    42,237.28x = 776,306,015.01
  5. Step 5: Solve for x
    x = 776,306,015.01/42,237.28
  6. Step 6: Final answer
    x = 18,379.64

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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.