Home / 42,055.53-63,027.24-19,874.79

Finding the Fourth Proportional to 42,055.53, 63,027.24 and 19,874.79

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Solution

The fourth proportional to 42,055.53, 63,027.24 and 19,874.79 is: 29,785.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,055.53 : 63,027.24 = 19,874.79 : x
  2. Step 2: Convert to fraction form
    42,055.53/63,027.24 = 19,874.79/x
  3. Step 3: Cross multiply
    42,055.53x = 63,027.24 × 19,874.79
  4. Step 4: Simplify right side
    42,055.53x = 1,252,653,159.28
  5. Step 5: Solve for x
    x = 1,252,653,159.28/42,055.53
  6. Step 6: Final answer
    x = 29,785.69

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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.