Home / 30,329.04-41,838.48-19,714.80

Finding the Fourth Proportional to 30,329.04, 41,838.48 and 19,714.80

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Solution

The fourth proportional to 30,329.04, 41,838.48 and 19,714.80 is: 27,196.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329.04 : 41,838.48 = 19,714.80 : x
  2. Step 2: Convert to fraction form
    30,329.04/41,838.48 = 19,714.80/x
  3. Step 3: Cross multiply
    30,329.04x = 41,838.48 × 19,714.80
  4. Step 4: Simplify right side
    30,329.04x = 824,837,265.50
  5. Step 5: Solve for x
    x = 824,837,265.50/30,329.04
  6. Step 6: Final answer
    x = 27,196.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.