Home / 42,553.16-63,829.71-19,152.26

Finding the Fourth Proportional to 42,553.16, 63,829.71 and 19,152.26

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Solution

The fourth proportional to 42,553.16, 63,829.71 and 19,152.26 is: 28,728.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,553.16 : 63,829.71 = 19,152.26 : x
  2. Step 2: Convert to fraction form
    42,553.16/63,829.71 = 19,152.26/x
  3. Step 3: Cross multiply
    42,553.16x = 63,829.71 × 19,152.26
  4. Step 4: Simplify right side
    42,553.16x = 1,222,483,201.64
  5. Step 5: Solve for x
    x = 1,222,483,201.64/42,553.16
  6. Step 6: Final answer
    x = 28,728.38

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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.