Home / 20,363.04-30,497.14-19,802.45

Finding the Fourth Proportional to 20,363.04, 30,497.14 and 19,802.45

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Solution

The fourth proportional to 20,363.04, 30,497.14 and 19,802.45 is: 29,657.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,363.04 : 30,497.14 = 19,802.45 : x
  2. Step 2: Convert to fraction form
    20,363.04/30,497.14 = 19,802.45/x
  3. Step 3: Cross multiply
    20,363.04x = 30,497.14 × 19,802.45
  4. Step 4: Simplify right side
    20,363.04x = 603,918,089.99
  5. Step 5: Solve for x
    x = 603,918,089.99/20,363.04
  6. Step 6: Final answer
    x = 29,657.56

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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.