Home / 42,036.04-63,067.68-12,454.36

Finding the Fourth Proportional to 42,036.04, 63,067.68 and 12,454.36

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Solution

The fourth proportional to 42,036.04, 63,067.68 and 12,454.36 is: 18,685.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,036.04 : 63,067.68 = 12,454.36 : x
  2. Step 2: Convert to fraction form
    42,036.04/63,067.68 = 12,454.36/x
  3. Step 3: Cross multiply
    42,036.04x = 63,067.68 × 12,454.36
  4. Step 4: Simplify right side
    42,036.04x = 785,467,591.08
  5. Step 5: Solve for x
    x = 785,467,591.08/42,036.04
  6. Step 6: Final answer
    x = 18,685.58

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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.