Home / 42,847.77-64,287.06-19,153.35

Finding the Fourth Proportional to 42,847.77, 64,287.06 and 19,153.35

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Solution

The fourth proportional to 42,847.77, 64,287.06 and 19,153.35 is: 28,736.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,847.77 : 64,287.06 = 19,153.35 : x
  2. Step 2: Convert to fraction form
    42,847.77/64,287.06 = 19,153.35/x
  3. Step 3: Cross multiply
    42,847.77x = 64,287.06 × 19,153.35
  4. Step 4: Simplify right side
    42,847.77x = 1,231,312,560.65
  5. Step 5: Solve for x
    x = 1,231,312,560.65/42,847.77
  6. Step 6: Final answer
    x = 28,736.91

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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.