Home / 61,042.08-91,543.68-19,479.36

Finding the Fourth Proportional to 61,042.08, 91,543.68 and 19,479.36

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Solution

The fourth proportional to 61,042.08, 91,543.68 and 19,479.36 is: 29,212.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,042.08 : 91,543.68 = 19,479.36 : x
  2. Step 2: Convert to fraction form
    61,042.08/91,543.68 = 19,479.36/x
  3. Step 3: Cross multiply
    61,042.08x = 91,543.68 × 19,479.36
  4. Step 4: Simplify right side
    61,042.08x = 1,783,212,298.44
  5. Step 5: Solve for x
    x = 1,783,212,298.44/61,042.08
  6. Step 6: Final answer
    x = 29,212.84

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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.