Home / 42,239.04-63,358.58-19,440.68

Finding the Fourth Proportional to 42,239.04, 63,358.58 and 19,440.68

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Solution

The fourth proportional to 42,239.04, 63,358.58 and 19,440.68 is: 29,161.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,239.04 : 63,358.58 = 19,440.68 : x
  2. Step 2: Convert to fraction form
    42,239.04/63,358.58 = 19,440.68/x
  3. Step 3: Cross multiply
    42,239.04x = 63,358.58 × 19,440.68
  4. Step 4: Simplify right side
    42,239.04x = 1,231,733,879.03
  5. Step 5: Solve for x
    x = 1,231,733,879.03/42,239.04
  6. Step 6: Final answer
    x = 29,161.03

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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.