Home / 42,513.24-63,738.63-21,442.89

Finding the Fourth Proportional to 42,513.24, 63,738.63 and 21,442.89

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Solution

The fourth proportional to 42,513.24, 63,738.63 and 21,442.89 is: 32,148.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,513.24 : 63,738.63 = 21,442.89 : x
  2. Step 2: Convert to fraction form
    42,513.24/63,738.63 = 21,442.89/x
  3. Step 3: Cross multiply
    42,513.24x = 63,738.63 × 21,442.89
  4. Step 4: Simplify right side
    42,513.24x = 1,366,740,431.84
  5. Step 5: Solve for x
    x = 1,366,740,431.84/42,513.24
  6. Step 6: Final answer
    x = 32,148.58

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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.