Home / 42,658.29-63,980.15-11,486.25

Finding the Fourth Proportional to 42,658.29, 63,980.15 and 11,486.25

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Solution

The fourth proportional to 42,658.29, 63,980.15 and 11,486.25 is: 17,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,658.29 : 63,980.15 = 11,486.25 : x
  2. Step 2: Convert to fraction form
    42,658.29/63,980.15 = 11,486.25/x
  3. Step 3: Cross multiply
    42,658.29x = 63,980.15 × 11,486.25
  4. Step 4: Simplify right side
    42,658.29x = 734,891,940.51
  5. Step 5: Solve for x
    x = 734,891,940.51/42,658.29
  6. Step 6: Final answer
    x = 17,227.41

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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.