Home / 19,969.48-29,902.98-19,378.25

Finding the Fourth Proportional to 19,969.48, 29,902.98 and 19,378.25

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Solution

The fourth proportional to 19,969.48, 29,902.98 and 19,378.25 is: 29,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969.48 : 29,902.98 = 19,378.25 : x
  2. Step 2: Convert to fraction form
    19,969.48/29,902.98 = 19,378.25/x
  3. Step 3: Cross multiply
    19,969.48x = 29,902.98 × 19,378.25
  4. Step 4: Simplify right side
    19,969.48x = 579,467,422.19
  5. Step 5: Solve for x
    x = 579,467,422.19/19,969.48
  6. Step 6: Final answer
    x = 29,017.65

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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.