Home / 42,289.26-63,355.59-21,204.69

Finding the Fourth Proportional to 42,289.26, 63,355.59 and 21,204.69

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Solution

The fourth proportional to 42,289.26, 63,355.59 and 21,204.69 is: 31,767.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,289.26 : 63,355.59 = 21,204.69 : x
  2. Step 2: Convert to fraction form
    42,289.26/63,355.59 = 21,204.69/x
  3. Step 3: Cross multiply
    42,289.26x = 63,355.59 × 21,204.69
  4. Step 4: Simplify right side
    42,289.26x = 1,343,435,645.72
  5. Step 5: Solve for x
    x = 1,343,435,645.72/42,289.26
  6. Step 6: Final answer
    x = 31,767.77

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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.