Home / 42,419.08-63,618.09-14,338.52

Finding the Fourth Proportional to 42,419.08, 63,618.09 and 14,338.52

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Solution

The fourth proportional to 42,419.08, 63,618.09 and 14,338.52 is: 21,504.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,419.08 : 63,618.09 = 14,338.52 : x
  2. Step 2: Convert to fraction form
    42,419.08/63,618.09 = 14,338.52/x
  3. Step 3: Cross multiply
    42,419.08x = 63,618.09 × 14,338.52
  4. Step 4: Simplify right side
    42,419.08x = 912,189,203.19
  5. Step 5: Solve for x
    x = 912,189,203.19/42,419.08
  6. Step 6: Final answer
    x = 21,504.22

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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.