Home / 42,055.78-63,027.62-19,875.04

Finding the Fourth Proportional to 42,055.78, 63,027.62 and 19,875.04

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Solution

The fourth proportional to 42,055.78, 63,027.62 and 19,875.04 is: 29,786.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,055.78 : 63,027.62 = 19,875.04 : x
  2. Step 2: Convert to fraction form
    42,055.78/63,027.62 = 19,875.04/x
  3. Step 3: Cross multiply
    42,055.78x = 63,027.62 × 19,875.04
  4. Step 4: Simplify right side
    42,055.78x = 1,252,676,468.60
  5. Step 5: Solve for x
    x = 1,252,676,468.60/42,055.78
  6. Step 6: Final answer
    x = 29,786.07

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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.