Home / 42,398.33-63,598.50-12,816.05

Finding the Fourth Proportional to 42,398.33, 63,598.50 and 12,816.05

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Solution

The fourth proportional to 42,398.33, 63,598.50 and 12,816.05 is: 19,224.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,398.33 : 63,598.50 = 12,816.05 : x
  2. Step 2: Convert to fraction form
    42,398.33/63,598.50 = 12,816.05/x
  3. Step 3: Cross multiply
    42,398.33x = 63,598.50 × 12,816.05
  4. Step 4: Simplify right side
    42,398.33x = 815,081,237.93
  5. Step 5: Solve for x
    x = 815,081,237.93/42,398.33
  6. Step 6: Final answer
    x = 19,224.37

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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.