Home / 42,574.46-63,861.71-19,776.05

Finding the Fourth Proportional to 42,574.46, 63,861.71 and 19,776.05

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Solution

The fourth proportional to 42,574.46, 63,861.71 and 19,776.05 is: 29,664.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,574.46 : 63,861.71 = 19,776.05 : x
  2. Step 2: Convert to fraction form
    42,574.46/63,861.71 = 19,776.05/x
  3. Step 3: Cross multiply
    42,574.46x = 63,861.71 × 19,776.05
  4. Step 4: Simplify right side
    42,574.46x = 1,262,932,370.05
  5. Step 5: Solve for x
    x = 1,262,932,370.05/42,574.46
  6. Step 6: Final answer
    x = 29,664.08

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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.